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MS21090-0628

Military Standard Machine Screw

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Description

Fastener Length: 63/64", Thread: 6-32, Thread Length: 63/64"

Specifications

Fastener Length 0.969 inches minimum and 1.000 inches maximum
Head Diameter 0.256 inches minimum and 0.270 inches maximum
Head Height 0.087 inches minimum and 0.097 inches maximum
Head Style Pan Head
Internal Drive Style Cross recess type 1
Length 0 63/64
Locking Feature Patch threads or pellet threads or strip threads
Material Steel
Material Specification 66 fed std single material response
Surface Treatment Specification Qq-p-416,ty 2,cl 3 fed spec all treatment responses
Thread Class 2a
Thread Diameter 0.138
Thread Direction Right-hand
Thread Length 0.907 inches minimum and 1.000 inches maximum
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series Designator UNC
Thread Size 6

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