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MS24693S225

Military Standard Machine Screw

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Description

Fastener Length: 5/16", Thread: 6-40, Thread Length: 1/4", philips recessed

Specifications

Countersink Angle Between 99.0 degrees and 101.0 degrees
Fastener Length Between 0.281 inches and 0.312 inches
Head Diameter Between 0.238 inches and 0.279 inches
Head Style Flat countersunk
Internal Drive Style Cross recess type 1
Length 5/16
Material Steel
Screw Material Steel comp
Screw Material Specification Qq-s-634 federal specification single material response
Screw Surface Treatment Cadmium and chromate
Thread Class 2a
Thread Diameter 0.138
Thread Direction Right-hand
Thread Length Between 0.171 inches and 0.252 inches
Thread Qty 40
Thread Qty Per Inch (tpi) 40
Thread Series UNF
Thread Series Designator Unf (fine thread)
Thread Size 6

Cross-reference

Similar parts

Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.

  • MS24693-C225 MS #6-40 · 5/16 in · Flat countersunk · CRES

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