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AN5H14A

Aeronautical Standard Machine Bolt

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Description

Airframe Bolt, Drilled Head

Specifications

Country of Origin USA
Fastener Length 1.594
Features Provided Finished head
Grip Length 1.031
Hardness Rating 26.0 rockwell c and 32.0 rockwell c
Head Height Between 0.172 inches and 0.204 inches
Head Style Hexagon Head
Hole Configuration Style Hexagon flats
Hole Diameter 0.07
Hole Quantity 1
Hole Type Drilled
Material Steel
Material Specification Mil-b-6812 military specification all material responses
Min. Tensile Strength (psi) 125000 pounds per square inch
NIIN 00-182-2045
NSN 5306-00-182-2045
Surface Treatment Cadmium and chromate
Surface Treatment Specification Class 3 federal specification all treatment responses type 2 qq-p-416
Thread Class 3a
Thread Diameter 0.312
Thread Direction Right-hand
Thread Length 0.531
Thread Qty 24
Thread Qty Per Inch (tpi) 24
Thread Series UNF
Thread Series Designator Unf (fine thread)
Thread Size 1/4
Weight 0.04 lb
Width Between Flats Between 0.49 inches and 0.502 inches

Cross-reference

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