5305-00-207-8136 SCREW,MACHINE Index 5305-00-207-8145 SCREW,MACHINE

National Stock Number:
5306-00-207-8137

Federal Supply Class:
5306

National Item Identification Number:
002078137

Description:
BOLT,SQUARE NECK

Detail:
A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.


Manufacturer Information:
70-6-1280049DEPARTMENT OF THE AIR FORCE
FFB571TYPEC81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
FASTENER LENGTH1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM
HEAD DIAMETER0.803 INCHES MINIMUM AND 0.823 INCHES MAXIMUM
HEAD HEIGHT0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
HEAD STYLEBUTTON
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH48000 POUNDS PER SQUARE INCH
NECK LENGTH0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
NECK WIDTH0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
NOMINAL THREAD DIAMETER0.375 INCHES
SPECIAL FEATURESFURNISHED WITH SQUARE NUT
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.625 INCHES MINIMUM
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNC


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