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NAS1004-12A

Machine Bolt

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Description

Fastener Length: 1-19/64", Thread: 1/4-28, Thread Length: 9/16", NAS1004 series bolt

Specifications

Fastener Length Between 1.279 inches and 1.309 inches
Features Provided Finished head
Grip Length Between 0.735 inches and 0.765 inches
Hardness Rating 248.0 brinell standard and 341.0 brinell standard
Head Height Between 0.140 inches and 0.172 inches
Head Style Hexagon Head
Material Iron
Material Specification Ams5732 assn standard single material response or ams5737 assn standard single material response
Min. Tensile Strength (psi) 140000 pounds per square inch
Specification Data 80205-nas1004 professional/industrial association standard
Surface Treatment Passivate
Surface Treatment Specification Mil-s-5002 military specification single treatment response
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length Between 0.514 inches and 0.574 inches
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series UNF
Thread Series Designator Unf (fine thread)
Thread Size 1/4
Width Between Flats Between 0.430 inches and 0.439 inches

Cross-reference

No interchangeable or dimensionally similar parts are on record for NAS1004-12A. Try the cross-reference lookup to search by a different part number.

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