2815-00-251-2176 PISTON,INTERNAL COMBUSTION ENGIN Index 5306-00-251-2181 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-251-2180

Federal Supply Class:
5306

National Item Identification Number:
002512180

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:
4X145C198296STANDARD MFG CO INC


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH2.469 INCHES MINIMUM AND
2.531 INCHES MAXIMUM
MATERIALSTEEL COMP 1035 OVERALL
THREAD LENGTH1.719 INCHES MINIMUM AND
1.781 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-631,COMP 1035 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH115000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.250 INCHES MINIMUM AND
0.312 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.552 INCHES MINIMUM AND
0.572 INCHES MAXIMUM
GRIP LENGTH0.719 INCHES MINIMUM AND
0.781 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
THE MANUFACTURERS DATA
MANUFACTURERS CODE98296
DESIGN CONTROL REFERENCE4X145C1


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