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AN174-27A

Aeronautical Standard Close Tolerance Bolt

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Description

Close Tolerance Bolt

Specifications

Country of Origin USA
Drilling Undrilled Head
Fastener Length 2.906
Grip 2 7/16 in
Head Height Between 0.140 inches and 0.172 inches
Head Type Hexagon
Industry Standards/Certification AN174
Length 2 29/32 in
Min. Tensile Strength (psi) 125000 pounds per square inch
NIIN 00-180-2761
NSN 5306-00-180-2761
Thread Class 3a
Thread Length 0.468
Thread Size 0.2500-28
Weight 0.05 lb

Cross-reference

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