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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 Cruciform MS9006

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 0.361-0.430 in

L

 N/A 0.640 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 0.590 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.