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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 0.431-0.500 in

L

 N/A 0.710 in

X

 N/A 0.645 Inch

Min. Ultimate Tensile Strength

 N/A 1650.000 lb

Min. Ultimate Single Shear Strength

 N/A 1620 lb

Weight/100

 N/A 0.720 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.