Spec hardware, served at warp speed.

bolts › machine bolts

MS9209-15

Military Standard Bolt

View quote list → Saved parts →

Description

Fastener Length: 7/8", Thread: 1/4-28, Thread Length: 3/4"

Specifications

Extended Washer Diameter 0.438
Extended Washer Thickness 0.060 inches minimum and 0.070 inches maximum
Fastener Length 0.875
Features Provided Finished head
Grip Length 0.252 inches minimum and 0.312 inches maximum
Hardness Rating 42.0 rockwell c minimum and 46.0 rockwell c maximum
Head Height 0.330
Head Style Double hexagon w/hole
Length 7/8
Material CRES
Material Specification Ams 6304 assn std single material response
Min. Tensile Strength (psi) 130000 pounds per square inch
Minimum Yield Strength 85000 pounds per square inch
Surface Finish 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads
Surface Treatment Cadmium
Surface Treatment Specification Ams 2416 assn std single treatment response
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length 0.750 inches minimum and 0.810 inches maximum
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series Designator UNJF
Thread Size 1/4
Width Between Flats 0.305 inches minimum and 0.313 inches maximum

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 MS9209-15. Try the cross-reference lookup to search by a different part number.

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