Spec hardware, served at warp speed.

screws › machine screws

965811-155C

Screw

View quote list → Saved parts →

Description

Fastener Length: 25/64", Thread: 4-40, Head Width: 3/32", Thread Length: 25/64"

Specifications

Fastener Length 0.359 inches minimum and 0.391 inches maximum
Head Diameter 0.176 inches minimum and 0.183 inches maximum
Head Height 0.108 inches minimum and 0.112 inches maximum
Head Style Flat chamfer
Internal Drive Style Hexagon
Length 25/64
Material Iron
Material Specification Ams5731 assn std single material response
Min. Tensile Strength (psi) 160000 pounds per square inch
Surface Treatment Passivate
Surface Treatment Specification Qq-p-35 fed spec single treatment response
Thread Class 3a
Thread Diameter 0.112
Thread Direction Right-hand
Thread Length 0.309 inches minimum and 0.391 inches maximum
Thread Qty 40
Thread Qty Per Inch (tpi) 40
Thread Series Designator UNJC
Thread Size 4
Width Across Flats 0.093 inches minimum and 0.095 inches maximum

Other sizes

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

Cross-reference

No interchangeable or dimensionally similar parts are on record for 965811-155C. Try the cross-reference lookup to search by a different part number.

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