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MS51958-13

Military Standard Machine Screw

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Description

Fastener Length: 7/32", Thread: 4-48, Thread Length: 7/32

Specifications

Fastener Length Between 0.219 inches and 0.250 inches
Finish Passivate
Head Diameter Between 0.205 inches and 0.219 inches
Head Height Between 0.070 inches and 0.080 inches
Head Style Phillips Pan Head
Internal Drive Style Cross recess type 1
Length 1/4
Material CRES
Min. Tensile Strength (psi) 80000 pounds per square inch
Screw Material Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316
Screw Material Specification 66 federal standard all material responses
Screw Surface Treatment Passivate
Screw Surface Treatment Specification Qq-p-35 federal specification single treatment response
Size 4-48
Thread Class 2a
Thread Diameter 0.112
Thread Direction Right-hand
Thread Length Between 0.208 inches and 0.250 inches
Thread Qty 48
Thread Qty Per Inch (tpi) 48
Thread Series UNF
Thread Series Designator Unf (fine thread)
Thread Size 4
Thread Type N.F. - Fine

Cross-reference

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