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MS21296H06028

Military Standard Bolt

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Description

Fastener Length: 2-15/32", Hole Diameter: 1/16", Thread: 3/8-24, Thread Length: 47/64"

Specifications

Extended Washer Diameter 0.696
Extended Washer Thickness 0.044 inches minimum and 0.064 inches maximum
Fastener Length 2.469 inches minimum and 2.499 inches maximum
Grip Diameter 0.3735 inches minimum and 0.3745 inches maximum
Grip Length 1.740 inches minimum and 1.760 inches maximum
Hardness Rating 51.0 rockwell c minimum and 54.0 rockwell c maximum
Head Height 0.327 inches minimum and 0.347 inches maximum
Head Minor Diameter 0.3735 inches minimum and 0.3745 inches maximum
Head Style Spline extended washer
Hole Configuration Style Spline
Hole Diameter 0.060 inches minimum and 0.070 inches maximum
Hole Quantity 4
Hole Type Drilled
Length 2 31/64
Material Steel
Material Specification Ams 6487 assn std single material response
Special Features Hole drilled in top center of head,0.230/0.270 in. dia x 0.110 in. nomdeep
Surface Finish 32.0 microinches bearing surface of head, 32.0 microinches grip
Surface Treatment Cadmium
Surface Treatment Specification Mil-c-8837,type ii,class 2 mil spec single treatment response
Thread Class 3a
Thread Diameter 0.3750
Thread Direction Right-hand
Thread Length 0.725
Thread Qty 24
Thread Qty Per Inch (tpi) 24
Thread Series Designator UNJF
Thread Size 3/8

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