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MS51031-102

Military Standard Setscrew

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Description

Setscrew

Specifications

Fastener Length 0.178 inches minimum and 0.198 inches maximum
Head Style Headless (setscrew)
Internal Drive Style Hexagon
Locking Feature Patch threads or pellet threads or strip threads
Material CRES
Point Style Flat
Surface Treatment Passivate
Surface Treatment Specification Qq-p-35 fed spec single treatment response
Thread Class 3a
Thread Diameter 0.190
Thread Direction Right-hand
Thread Length 0.178 inches minimum and 0.198 inches maximum
Thread Qty Per Inch (tpi) 32
Thread Series Designator UNF
Width Across Flats 0.094

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.

  • NAS1081C3A3 NAS 0.198 in · Headless (setscrew) · CRES
  • MS51964-121 MS 0.198 in · Headless (setscrew) · Steel

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