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MS14156-04

Military Standard Locking Extended Washer Nut Self

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Description

Self-Locking Extended Washer Nut

Specifications

Hardness Rating 48.0 rockwell c maximum
Locking Feature Prevailing torque all metal design
Material Steel
Nut Style Double hexagon
Overall Height 0.290 inches maximum
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416,ty 2,cl 2 fed spec single treatment response
Temperature Rating 450.0 deg fahrenheit maximum
Thread Class 3b
Thread Direction Right-hand
Thread Qty Per Inch (tpi) 28
Thread Series UNF
Thread Size 0.250
Washer Outside Diameter 0.444 inches maximum
Washer Thickness 0.033 inches minimum
Width Across Flats 0.373 inches minimum and 0.381 inches maximum

Cross-reference

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