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NAS6304U21

Shear Bolt

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Description

Fastener Length: 1-11/16", Thread: 1/4-28, Thread Length: 25/64"

Specifications

Fastener Length Between 1.667 inches and 1.697 inches
Grip Diameter Between 0.2485 inches and 0.2495 inches
Grip Length Between 1.302 inches and 1.322 inches
Head Height Between 0.125 inches and 0.140 inches
Head Style Dished hexagon
Material Iron
Material Specification Ams5731 assn standard single material response or ams5737 assn standard single material response
Min. Tensile Strength (psi) 160000 pounds per square inch
Specification Data 80205-nas6304 professional/industrial association standard
Surface Finish 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length Between 0.345 inches and 0.395 inches
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series UNJF
Thread Series Designator Unjf (fine thread with external controlled root radius)
Thread Size 1/4
Width Between Flats Between 0.429 inches and 0.439 inches

Cross-reference

No interchangeable or dimensionally similar parts are on record for NAS6304U21. Try the cross-reference lookup to search by a different part number.

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