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MS21042-06

Military Standard Locking Extended Washer Nut Self

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Description

Nut

Specifications

Features Reduced Height
Hardness Rating 49.0 rockwell
Industry Standards/Certification MS21042
Locking Feature Prevailing torque all metal design
Lubricant Without Dry Film Lubricant
Lubrication Soluble lubricant
Material CRES
Maximum Diameter A 0.244 in
Maximum Dimension H 0.141 in
Maximum W (Across Flats) 0.190 in
Minimum Dimension C 0.207 in
Minimum Dimension H 0.115 in
Minimum W (Across Flats) 0.181 in
NIIN 00-807-1465
NSN 5310-00-807-1465
Nut Style Hexagon
Overall Height Between 0.115 inches and 0.141 inches
Pre-Packaged Bag Quantity 100
Service Temperature 450 ºF
Shape Reduced Hexagon
Surface Treatment Cadmium
Surface Treatment Specification Class 3 federal specification single treatment response type 2 qq-p-416
Temperature Rating 450 degrees fahrenheit
Thread 0.1380-32, 6-32
Thread Class 3b
Thread Direction Right-hand
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series UNJC
Thread Size 0.138, 6-32
Type Dry Hex Nut, Self-Locking Nut
Washer Outside Diameter 0.244
Washer Thickness 0.010
Weight 0.0008 lb
Width Across Flats Between 0.181 inches and 0.190 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