5306-00-638-1907 BOLT,MACHINE Index 5306-00-638-1922 BOLT,MACHINE

National Stock Number:
5306-00-638-1920

Federal Supply Class:
5306

National Item Identification Number:
006381920

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:
28876977445RTX CORPORATION


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.910 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH1.010 INCHES MINIMUM AND 1.030 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM
HEAD HEIGHT0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
NONSTANDARD THREAD PITCH DIAMETER+0.2216 TO 0.2238 INCHES
SHANK UNTHREADED HOLE DIAMETER0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM FIRST HOLE
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.350 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28
WIDTH BETWEEN FLATS0.431 INCHES MINIMUM AND 0.440 INCHES MAXIMUM


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