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MS21090-0629

Military Standard Screw

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Description

Fastener Length: 1-1/4", Thread: 6-32, Thread Length: 1-1/4"

Specifications

Fastener Length 1.188 inches minimum and 1.250 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 1 1/4
Material Steel
Material Specification 66 fed std single material response
Min. Tensile Strength (psi) 55000 pounds per square inch
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 0.138
Thread Direction Right-hand
Thread Length 1.126 inches minimum and 1.250 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