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Stud - Ring Locked - SF Series
Unit of Measure
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Item #

Material

Heat Treat

Finish

A Nut End Thread Size

B Stud End Thread Size

L ±.015

SFT81-6SA26 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 1.625 in
SFT81-6SA27A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 1.688 in
SFT81-6SA27 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 1.688 in
SFT81-6SA28A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 1.750 in
SFT81-6SA28 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 1.750 in
SFT81-6SA29A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 1.812 in
SFT81-6SA29 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 1.812 in
SFT81-6SA30A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 1.875 in
SFT81-6SA30 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 1.875 in
SFT81-6SA31A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 1.938 in
SFT81-6SA31 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 1.938 in
SFT81-6SA32A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.000 in
SFT81-6SA32 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.000 in
SFT81-6SA33A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.062 in
SFT81-6SA33 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.062 in
SFT81-6SA34A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.125 in
SFT81-6SA34 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.125 in
SFT81-6SA35A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.188 in
SFT81-6SA35 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.188 in
SFT81-6SA36A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.250 in
SFT81-6SA36 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.250 in
SFT81-6SA37A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.312 in
SFT81-6SA37 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.312 in
SFT81-6SA38A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.375 in
SFT81-6SA38 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.375 in
SFT81-6SA39A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.438 in
SFT81-6SA39 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.438 in
SFT81-6SA40A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.500 in
SFT81-6SA40 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.500 in
SFT81-6SA41A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.562 in
SFT81-6SA41 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.562 in
SFT81-6SA42A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.625 in
SFT81-6SA42 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.625 in
SFT81-6SA43A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.688 in
SFT81-6SA43 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.688 in
SFT81-6SA44A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.750 in
SFT81-6SA44 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.750 in
SFT81-6SA45A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.812 in
SFT81-6SA45 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.812 in
SFT81-6SA46A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.875 in
SFT81-6SA46 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.875 in
SFT81-6SA47A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.938 in
SFT81-6SA47 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 2.938 in
SFT81-6SA48A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.000 in
SFT81-6SA48 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.000 in
SFT81-6SA49A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.062 in
SFT81-6SA49 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.062 in
SFT81-6SA50A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.125 in
SFT81-6SA50 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.125 in
SFT81-6SA51A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.188 in
SFT81-6SA51 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.188 in
SFT81-6SA52A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.250 in
SFT81-6SA52 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.250 in
SFT81-6SA53A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.312 in
SFT81-6SA53 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.312 in
SFT81-6SA54A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.375 in
SFT81-6SA54 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.375 in
SFT81-6SA55A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.438 in
SFT81-6SA55 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.438 in
SFT81-6SA56A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.500 in
SFT81-6SA56 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.500 in
SFT81-6SA57A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.562 in
SFT81-6SA57 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.562 in
SFT81-6SA58A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.625 in
SFT81-6SA58 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.625 in
SFT81-6SA59A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.688 in
SFT81-6SA59 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.688 in
SFT81-6SA60A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.750 in
SFT81-6SA60 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.750 in
SFT81-6SA61A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.812 in
SFT81-6SA61 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.812 in
SFT81-6SA62A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.875 in
SFT81-6SA62 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 3.875 in
SFT81-6SA64A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 4.000 in
SFT81-6SA64 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 4.000 in
SFT81-6SA66A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 4.125 in
SFT81-6SA66 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 4.125 in
SFT81-6SA68A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 4.250 in
SFT81-6SA68 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 4.250 in
SFT81-6SA70A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 4.375 in
SFT81-6SA70 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 4.375 in
SFT81-6SA72A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 4.625 in
SFT81-6SA72 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 4.625 in
SFT81-6SA74A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 4.750 in
SFT81-6SA74 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 4.750 in
SFT81-6SA76A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 4.875 in
SFT81-6SA76 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNF-3A N/A 0.1900-24 N/A 4.875 in
SF91-7SA8A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNF-3A N/A 0.2500-20 N/A 0.500 in
SF91-7SA8 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNF-3A N/A 0.2500-20 N/A 0.500 in
SFT91-7SA9A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNF-3A N/A 0.2500-20 N/A 0.562 in
SFT91-7SA9 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNF-3A N/A 0.2500-20 N/A 0.562 in
SFT91-7SA10A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNF-3A N/A 0.2500-20 N/A 0.625 in
SFT91-7SA10 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNF-3A N/A 0.2500-20 N/A 0.625 in
SFT91-7SA11A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNF-3A N/A 0.2500-20 N/A 0.688 in
SFT91-7SA11 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNF-3A N/A 0.2500-20 N/A 0.688 in
SFT91-7SA12A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNF-3A N/A 0.2500-20 N/A 0.750 in
SFT91-7SA12 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNF-3A N/A 0.2500-20 N/A 0.750 in
SFT91-7SA13A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNF-3A N/A 0.2500-20 N/A 0.812 in
SFT91-7SA13 N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNF-3A N/A 0.2500-20 N/A 0.812 in
SFT91-7SA14A N/A 4130 Steel N/A 125,000 PSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNF-3A N/A 0.2500-20 N/A 0.875 in
Unit of Measure
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