Spec hardware, served at warp speed.

bolts › machine bolts

NAS4904U6

Bolt

View quote list → Saved parts →

Description

Fastener Length: ", Thread: 1/4-28, Thread Length: "

Specifications

Fastener Length 0.745
Grip Diameter 0.2490 inches minimum and 0.2495 inches maximum
Grip Length 0.375
Head Diameter 0.355 inches minimum and 0.397 inches maximum
Head Height 0.063 inches maximum
Head Style Flat chamfer
Internal Drive Style Tri-wing recess
Material Titanium
Material Specification Ams4928 mil spec single material response
Min. Tensile Strength (psi) 160000 pounds per square inch
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length 0.370
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 NAS4904U6. Try the cross-reference lookup to search by a different part number.

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