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3M902C4-5A

Screw

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Description

Fastener Length: 13/16", Thread: 1/4-28, Thread Length: 15/32"

Specifications

Countersink Angle 100.0 degrees
Fastener Length 0.765 inches minimum and 0.812 inches maximum
Head Diameter 0.502 inches minimum and 0.507 inches maximum
Head Style Flat countersunk
Internal Drive Style High-torque
Length 13/16
Material Steel
Material Specification Ams 5629 assn std single material response
Min. Tensile Strength (psi) 125000 pounds per square inch
Shoulder Diameter 0.280 inches minimum first shoulder and 0.281 inches maximum first shoulder
Shoulder Length 0.302 inches minimum first shoulder and 0.322 inches maximum first shoulder
Shoulder Shape Round first shoulder
Special Features Furnished with one o ring. must be lubricated with cetyl alcohol
Surface Treatment Passivate
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length 0.469
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series Designator UNJF
Thread Size 1/4

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 3M902C4-5A. Try the cross-reference lookup to search by a different part number.

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