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Unit of Measure

Series

 N/A CA1821

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/AMS5738, ASTM-A581/582/320, QQ-S-763

Head Type

 N/A Protruding

Finish

 N/A Black Oxide per MIL-DTL-13924, Class 4

Heat Treat

 N/A None

Thread Size, Class 3B

 N/A 0.1640-32 UNC 4 Lead

Grip Range

 N/A 1.001-1.093 in

L

 N/A 1.281 in

Min. Ultimate Tensile Strength

 N/A 1650.000 lb

Min. Single Shear Strength

 N/A 1800 lb

Weight/100

 N/A 1.200 lb

Receptacle Part Number

 N/A CA1810

Retaining Ring Part Number

 N/A CA1825 CA1826-1 CA18377

N/A

  • This stud nut is designed for use with a CA1810 receptacle and a CA1825, CA1826-1 or CA18377 retaining rings.
  • The mechanical properties shown are calculated values. Mechanical properties testing may not be performed on each production lot.
  • Do not use unassigned dash numbers.