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MS21042L6

Military Standard Locking Extended Washer Nut Self

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Description

Nut

Specifications

Locking Feature Prevailing torque all metal design
Lubrication Dry film lubricant
Material Steel
NIIN 00-807-1477
NSN 5310-00-807-1477
Nut Style Hexagon
Overall Height Between 0.267 inches and 0.282 inches
Surface Treatment Cadmium and chromate
Surface Treatment Specification Class 3 federal specification single treatment response type 2 qq-p-416
Temperature Rating 450 degrees fahrenheit
Thread Class 3b
Thread Direction Right-hand
Thread Qty 24
Thread Qty Per Inch (tpi) 24
Thread Series Unjf (fine thread with external controlled root radius)
Thread Size 0.375
Washer Outside Diameter 0.62
Washer Thickness 0.03
Weight .008 lb
Width Across Flats Between 0.43 inches and 0.44 inches

Other sizes

Parts that share this base number, ordered by size. Always verify the full specification before substituting.

Cross-reference

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Catalog data updated 2026-07-05. Report a data error