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MS24693BB8

Military Standard Machine Screw

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Description

length: 3/4", thread: 4-40, countersunk, flat head, black brass

Specifications

Countersink Angle 99.0 degrees minimum and 100.0 degrees maximum
Fastener Length 0.750
Head Diameter 0.191 inches minimum and 0.225 inches maximum
Head Style Flat countersunk
Internal Drive Style Cross recess type 1
Length 3/4
Screw Material Copper alloy 268 or copper alloy 260 or copper alloy 230 or copper alloy 377 or copper alloy 360 or copper alloy 353 or copper alloy 270 or copper alloy 462 or copper alloy 464 or copper alloy 482 or copper alloy 485 or copper alloy 510 or copper alloy 745 or copper alloy 752 or copper alloy 757 or copper alloy 764 or copper alloy 770 or copper alloy 240 or copper alloy 342
Thread Class 2a
Thread Diameter 0.112
Thread Direction Right-hand
Thread Length 0.700 inches minimum and 0.750 inches maximum
Thread Qty 40
Thread Qty Per Inch (tpi) 40
Thread Series Designator UNC
Thread Size 4

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-S8 MS #4-40 · 3/4 in · Flat countersunk · Steel
  • MS24693S8 MS #4-40 · 3/4 in · Flat countersunk · Steel

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