Spec hardware, served at warp speed.

bolts › machine bolts

MS9519-04

Military Standard Bolt

View quote list → Saved parts →

Description

Fastener Length: 3/8", Thread: 1/4-32, Thread Length: 9/32"

Specifications

Fastener Length 0.375
Grip Diameter 0.222 inches minimum and 0.232 inches maximum
Grip Length 0.079 inches minimum and 0.099 inches maximum
Hardness Rating 26.0 rockwell c minimum and 32.0 rockwell c maximum
Head Height 0.156
Head Style Hexagon Head
Length 3/8
Material Steel
Material Specification Ams6322-80 assn std single material response
Surface Treatment Cadmium
Surface Treatment Specification Ams2400-80 assn std single treatment response
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length 0.276 inches minimum and 0.296 inches maximum
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series Designator UNJF
Thread Size 1/4
Width Between Flats 0.491

Other sizes

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

Cross-reference

No interchangeable or dimensionally similar parts are on record for MS9519-04. Try the cross-reference lookup to search by a different part number.

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