5306-00-022-1968 BOLT,MACHINE Index 5306-00-022-1974 BOLT,MACHINE

National Stock Number:
5306-00-022-1970

Federal Supply Class:
5306

National Item Identification Number:
000221970

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:
22197021450ARMY WEAPONS COMMAND ATTN AMSWE-REE-S
22197024617GENERAL MOTORS CORP
2219707X677GENERAL MOTORS LLC


Techincal Specification:
FASTENER LENGTH1.968 INCHES MINIMUM AND 2.032 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING96.0 ROCKWELL B MINIMUM AND 104.0 ROCKWELL B MAXIMUM OVERALL
HEAD HEIGHT0.281 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
HEAD STYLEHEXAGON
LOCKING FEATUREDISTORTIONS BEARING SURFACE OF HEAD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1035 OVERALL
MINIMUM YIELD STRENGTH85000 POUNDS PER SQUARE INCH
MINIMUM TENSILE STRENGTH95000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.438 INCHES
WIDTH BETWEEN FLATS0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH20


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