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MS21250-08080

Military Standard Shear Bolt

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Description

Fastener Length: 5-51/64", Thread: 1/2-20, Thread Length: 51/64

Specifications

Extended Washer Diameter Between 0.818 inches and 0.828 inches
Extended Washer Thickness Between 0.113 inches and 0.133 inches
Fastener Length Between 5.778 inches and 5.798 inches
Grip Diameter Between 0.4985 inches and 0.4995 inches
Grip Length Between 4.990 inches and 5.010 inches
Hardness Rating 39.0 rockwell c and 43.0 rockwell c
Head Height Between 0.494 inches and 0.514 inches
Head Style Double hexagon w/hole
Material Steel
Min. Tensile Strength (psi) 180000 pounds per square inch
Surface Finish 32.0 microinches bearing surface of head, 32.0 microinches threads
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416 type 2 class 2 federal specification single treatment response
Thread Class 3a
Thread Diameter 0.500
Thread Direction Right-hand
Thread Length Between 0.768 inches and 0.808 inches
Thread Qty 20
Thread Qty Per Inch (tpi) 20
Thread Series UNJF
Thread Series Designator Unjf (fine thread with external controlled root radius)
Thread Size 1/2
Width Between Flats 0.562

Cross-reference

No interchangeable or dimensionally similar parts are on record for MS21250-08080. Try the cross-reference lookup to search by a different part number.

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