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MS21090-349

Military Standard Machine Screw

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Description

Fastener Length: 3/8", Thread: 10-32, Thread Length: 3/8"

Specifications

Fastener Length 0.344 inches minimum and 0.375 inches maximum
Head Diameter 0.357 inches minimum and 0.373 inches maximum
Head Height 0.122 inches minimum and 0.133 inches maximum
Head Style Pan Head
Internal Drive Style Cross recess type 1
Length 3/8
Material Specification Qq-s-634 fed spec all material responses or qq-s-637 fed spec all material responses or 66 fed std all material responses
Nondefinitive Specification/Std Data 3 type and 9c style
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416,ty 2,cl 3 fed spec all treatment responses
Thread Class 2a
Thread Diameter 0.190
Thread Direction Right-hand
Thread Length 0.282 inches minimum and 0.375 inches maximum
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series Designator UNF
Thread Size 10

Cross-reference

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