1260-01-221-9200 CIRCUIT CARD ASSEMBLY Index 5306-01-221-9202 BOLT,MACHINE

National Stock Number:
5306-01-221-9201

Federal Supply Class:
5306

National Item Identification Number:
012219201

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.


Manufacturer Information:
10942-201-394756THE BOEING COMPANY


Techincal Specification:
FASTENER LENGTH0.563 INCHES NOMINAL
HEAD HEIGHT0.080 INCHES MINIMUM AND 0.093 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7725 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALTUNGSTEN ALLOY OVERALL
NOMINAL THREAD DIAMETER0.138 INCHES
NUCLEAR HARDNESS CRITICAL FEATUREHARDENED
SPECIAL FEATURESNUCLEAR HARDNESS CRITICAL
WIDTH BETWEEN FLATS0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.547 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH32


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