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NAS1291C6M

Locking Extended Washer Nut Self

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Description

Self Locking Hex Nut

Specifications

Locking Feature Prevailing torque all metal design
Material CRES
NIIN 00-879-0669
NSN 5310-00-879-0669
Nut Style Hexagon
Overall Height Between 0.269 inches and 0.282 inches
Surface Treatment Passivate
Temperature Rating 550.0 degrees fahrenheit
Thread Class 3b
Thread Direction Right-hand
Thread Qty 24
Thread Qty Per Inch (tpi) 24
Thread Series Unf (fine thread)
Thread Size 0.375
Washer Outside Diameter 0.62
Washer Thickness 0.03
Weight .005 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