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NAS1804-6

12 Point Self Locking Nut

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Description

12 Point Self Locking Nut

Specifications

Diameter A 0.631 in
Features Extended Washer
Finish Cadmium Plate
Hardness Rating 45.0 rockwell c
Industry Standards/Certification NAS1804
Locking Feature Prevailing torque all metal design
Lubricant Dry Film Lubricant
Lubrication Dry film lubricant
Material Steel
Material Specification Ams 6304 assn standard 1st material response or ams 6487 assn standard 2nd material response
Maximum Dimension H 0.375 in
Maximum Dimension W 0.439 in
Minimum Diameter B 0.591 in
Minimum Dimension C 0.490 in
Minimum Dimension W 0.430 in
NIIN 01-187-6109
NSN 5310-01-187-6109
Nut Style Double hexagon
Overall Height 0.375
Service Temperature 450 ºF
Shape Double Hexagon
Specification Data 80205-nas1804 professional/industrial association standard
Surface Treatment Cadmium
Surface Treatment Specification Cl 2 federal specification single treatment response qq-p-416
Temperature Rating 450.0 degrees fahrenheit
Thread Class 3b
Thread Direction Right-hand
Thread Note 1 0.3750-24
Thread Qty 24
Thread Qty Per Inch (tpi) 24
Thread Series Unjf (fine thread with external controlled root radius)
Thread Size 0.375
Type Self-Locking Nut
Washer Outside Diameter 0.631
Washer Thickness 0.056
Weight 0.01 lb
Width Across Flats Between 0.430 inches and 0.439 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