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MS24693-B1

Military Standard Screw

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Description

Fastener Length: 3/16", Thread: 4-40, Thread Length: 1/8"

Specifications

Countersink Angle 100.0 degrees
Fastener Length 0.157 inches minimum and 0.188 inches maximum
Head Diameter 0.191 inches minimum and 0.225 inches maximum
Head Style Flat countersunk
Internal Drive Style Cross recess type 1
Length 3/16
Min. Tensile Strength (psi) 55000 pounds per square inch
Nondefinitive Specification/Std Data 3 type and 3c style
Screw Material Copper alloy
Screw Material Specification Qq-w-321 fed spec single material response or qq-b-626 fed spec single material response
Thread Class 2a
Thread Diameter 0.112
Thread Direction Right-hand
Thread Length 0.058 inches minimum and 0.139 inches maximum
Thread Qty 40
Thread Qty Per Inch (tpi) 40
Thread Series Designator UNC
Thread Size 4

Other sizes

Parts that share this base number, ordered by size. Always verify the full specification before substituting.

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.

  • NAS1102-04-3 NAS #4-40 · 3/16 in · Flat countersunk · Steel
  • NAS1189-04P3 NAS #4-40 · 3/16 in · Flat countersunk · Steel
  • NAS514P440-3P NAS #4-40 · 3/16 in · Flat countersunk · Steel
  • MS18211-28C MS #4-40 · 3/16 in · Flat countersunk
  • MS24693S1 MS #4-40 · 3/16 in · Flat countersunk · Steel

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