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AN3C20A

Aeronautical Standard Machine Bolt

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Description

Airframe Bolt

Specifications

Country of Origin USA
Fastener Length 2.016 inches minimum and 2.062 inches maximum
Features Provided Finished head
Grip Length 1.609 inches minimum and 1.641 inches maximum
Hardness Rating 26.0 rockwell c minimum and 32.0 rockwell c maximum
Head Height 0.203 inches minimum and 0.235 inches maximum
Head Style Hexagon Head
Length 2 1/16
Material Steel
Material Specification Mil-s-18732 mil spec single material response
Min. Tensile Strength (psi) 125000 pounds per square inch
NIIN 00-180-1930
NSN 5306-00-180-1930
Surface Treatment Passivate
Thread Class 3a
Thread Diameter 0.190
Thread Direction Right-hand
Thread Length 0.375 inches minimum and 0.453 inches maximum
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series Designator UNF
Thread Size 10
Weight .005 lb
Width Between Flats 0.365 inches minimum and 0.377 inches maximum

Cross-reference

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