5306-00-206-7274 BOLT,MACHINE Index 5306-00-206-7279 BOLT,MACHINE

National Stock Number:
5306-00-206-7278

Federal Supply Class:
5306

National Item Identification Number:
002067278

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:
52301202978RENK AMERICA LLC


Techincal Specification:
FASTENER LENGTH7.750 INCHES NOMINAL
FEATURES PROVIDEDUNFINISHED HEAD
HEAD HEIGHT0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FS 1335 FED SPEC 1ST MATERIAL RESPONSE OR FS4037 FED SPEC 2ND MATERIAL RESPONSE OR F28630 FED SPEC 3RD MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1335 OR STEEL COMP 4037 OR STEEL COMP 8630 OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES
WIDTH BETWEEN FLATS0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.250 INCHES MINIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNF


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