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Unit of Measure

Series

N/A CA18161-()HS

Nominal Stud Nut Size

N/A 1/4

Head Style

N/A Pan

Recess Type

N/A Hex & Slotted

Material

N/A 300 CRES per AMS5640/ANS5738, ASTM-A581/582/320 and/or AMS-QQ-S-763

Head Type

N/A Protruding

Finish

N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 or AMS2400

Heat Treat

N/A None

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

X

N/A 0.575 Inch

Min. Ultimate Tensile Strength

N/A 1650.000 lb

Min. Ultimate Single Shear Strength

N/A 1620 lb

Weight/100

N/A 0.660 lb

Receptacle Part Number

N/A CA1810 CA18157

Retaining Ring Part Number

N/A CA18132

N/A

  • This stud nut is designed for use with a CA1810 or 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.
  • Do not use unassigned dash numbers. Consult with Howmet Fastening Systems for availability of optional materials, finishes and sizes.