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Worldwide distributor of NSN parts and consumables located in the USA.

Engine Nut AN121503

Description:

Cadmium plated steel, thread: 5/16-24

AN121503 Details

National Stock Number (NSN) 5310-00-268-6042
Alternate Part Number N/A
Federal Supply Class (FSC) 5310
Unit of Measure (UOM) 10 /Ea.
Thread Class 3B
Thread Direction Right-hand
Nut Style Hexagon
Nut Height Between 0.256 inches and 0.276 inches
Width Across Flats Between 0.492 inches and 0.502 inches
Thread Series Unf
Thready Qty Per Inch (tpi) 24
Hardness Rating Between 19.0 Rockwell c and 26.0 Rockwell c
Thread Size 0.312 inches
Countersink Angle 85.0 degrees nut and 95.0 degrees nut
Bearing Surface Type Washer faced
Bearing Surface Finish 63.0 microinches
Material Steel comp 8740
Material Specification Ams 6322 assn standard single material response
Surface Treatment Cadmium
Surface Treatment Specification Ams 2400 assn standard single treatment response

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