5306-00-638-1930 BOLT,MACHINE Index 5306-00-638-1936 BOLT,MACHINE

National Stock Number:
5306-00-638-1933

Federal Supply Class:
5306

National Item Identification Number:
006381933

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:
28252777445RTX CORPORATION


Techincal Specification:
EXTENDED WASHER DIAMETER0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
FASTENER LENGTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.272 INCHES MINIMUM AND 0.292 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON W/HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONPWA 722 FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
NONSTANDARD THREAD PITCH DIAMETER+0.2213 TO 0.2318 INCHES
WIDTH BETWEEN FLATS0.300 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPWA350 FSCM 77445 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.544 INCHES MINIMUM AND 0.615 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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