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MS21042-02

Name: MS21042-02
Brand: MS
SKU: MS21042-02

Military Standard Locking Extended Washer Nut Self

Description

Nut

End Application	Mk 26 (gmls); intermediate forward test equipment (ifte) system hc-130s; guided missile launc (coarse thread)hing system ec-130e mc-130h (ac-130h missile mk 74 (fcs); aircraft advance medium range air-to-air (amraam)/aim120a; fire control system ec-135h/k/p); missile aircraft tf33-pw-102 (c-135e b-1b aircraft; engine mini-sace; trainer arm-155/156; test consoles b-1 aircraft; test set w/s:support equipment
Features	Reduced Height
Hardness Rating	49.0 rockwell c
Industry Standards/Certification	MS21042
Locking Feature	Prevailing torque all metal design
Lubricant	Without Dry Film Lubricant
Lubrication	Soluble lubricant
Material	CRES
Maximum Diameter A	0.167 in
Maximum Dimension H	0.100 in
Maximum W (Across Flats)	0.127 in
Minimum Dimension C	0.138 in
Minimum Dimension H	0.080 in
Minimum W (Across Flats)	0.122 in
NIIN	00-058-1823
NSN	5310-00-058-1823
Nut Style	Hexagon
Overall Height	Between 0.080 inches and 0.100 inches
Service Temperature	450 ºF
Shape	Reduced Hexagon
Surface Treatment	Cadmium
Surface Treatment Specification	Qq-p-416 federal specification single treatment response
Temperature Rating	450.0 degrees fahrenheit
Thread	0.0860-56
Thread Class	3b
Thread Direction	Right-hand
Thread Qty	56
Thread Qty Per Inch (tpi)	56
Thread Series	UNJC
Thread Size	0.086, 2-56
Type	Self-Locking Nut
Washer Outside Diameter	0.167
Washer Thickness	0.010
Weight	.005 lb
Width Across Flats	Between 0.122 inches and 0.127 inches

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

No interchangeable or dimensionally similar parts are on record for MS21042-02. Try the cross-reference lookup to search by a different part number.

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