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NAS1004-44A

Bolt

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Description

Fastener Length: 3-9/32", Thread: 1/4-28, Thread Length: 17/32"

Specifications

Fastener Length 3.294
Features Provided Finished head
Grip Length 2.750
Head Height 0.156
Head Style Hexagon Head
Length 3 9/32
Material Iron
Material Specification Ams5732 assn std single material response or ams5737 assn std 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 mil spec single treatment response
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length 0.544 inches minimum
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series Designator UNF
Thread Size 1/4
Width Between Flats 0.430 inches minimum and 0.439 inches maximum

Cross-reference

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