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MS51963-2

Military Standard Setscrew

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Description

Fastener Length: 3/16", Thread: 2-56, Head Width: 3/64", Thread Length: 3/16

Specifications

Drive Style Hexagon
Fastener Length 0.188
Hardness Rating 45.0 rockwell c and 53.0 rockwell c
Head Style Headless (setscrew)
Internal Drive Style Hexagon
Length 3/16
Material Steel
Material Specification 66 federal standard all material responses
Point Style Cup
Surface Treatment Cadmium and chromate
Surface Treatment Specification Cl 3 federal specification all treatment responses type 2 qq-p-416
Thread Class 3a
Thread Diameter 0.086
Thread Direction Right-hand
Thread Length 0.188
Thread Qty 56
Thread Qty Per Inch (tpi) 56
Thread Series UNC
Thread Series Designator Unc (coarse thread)
Thread Size 2
Width Across Flats 0.035

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.

  • AN565AC2H3 AN #2-56 · 3/16 in · Headless (setscrew) · CRES
  • AN565B2H3 AN #2-56 · 3/16 in · Headless (setscrew) · Steel
  • AN565D2H3 AN #2-56 · 3/16 in · Headless (setscrew) · Steel

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