Item # CA18121-2TS, CA18121 Series LiveLock™ - Stud Nuts, 100° C´Sink Head, Hex / Cross / per NAS specification Recess On Howmet Aerospace

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Unit of Measure

Series	N/A CA18121
Nominal Stud Nut Size	N/A 1/4
Head Style	N/A 100° C'Sink
Recess Type	N/A Offset Cruciform NAS1078
Material	N/A 8740 Alloy Steel per AMS6322/MIL-S-6049 or 4140 Alloy Steel per AMS6382
Head Type	N/A Flush
Finish	N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 and/or AMS2400, Class 2
Heat Treat	N/A 160 KSI Min per AMS2759
Thread Size, Class 3B	N/A 0.1640-32 UNC 4 Lead
Grip Range	N/A 0.221-0.290 in
L	N/A 0.500 in
Min. Ultimate Tensile Strength	N/A 1900.000 lb
Min. Ultimate Single Shear Strength (Thru Shank)	N/A 2200 lb
Min. Ultimate Single Shear Strength (Thru Hex Recess)	N/A 1815.000 lb
Weight/100	N/A 0.430 lb

Receptacle Part Number	N/A CA18157
Retaining Ring Part Number	N/A CA18132

N/A

<5> For grips less than 0.150 in use CA18029-() shim to build up grip to fall between 0.150-0.220.
This stud to be used with a CA18157 receptacle and a CA18132 retaining ring.
The mechanical properties shown are calculated values, mechanical properties testing may not be performed on each production lot.
Consult Howmet´s Engineering Fastening System for availability of optional materials, finishes and sizes.