5306-01-081-8212 BOLT,MACHINE Index 5305-01-081-8214 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-081-8213

Federal Supply Class:
5306

National Item Identification Number:
010818213

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:
5306010818213A00AME.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
MS9456-330U583SAE INTERNATIONAL
MS9456-3381343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS9456-3396906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH3.490 INCHES MINIMUM AND
3.510 INCHES MAXIMUM
MATERIALSTEEL OVERALL
THREAD LENGTH1.240 INCHES MINIMUM AND
1.320 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTNICKEL AND
CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING42.0 ROCKWELL C MINIMUM AND
46.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.271 INCHES MINIMUM AND
0.291 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.741 INCHES MINIMUM AND
0.752 INCHES MAXIMUM
GRIP LENGTH2.190 INCHES MINIMUM AND
2.250 INCHES MAXIMUM
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
63.0 MICROINCHES GRIP
32.0 MICROINCHES THREADS
FEATURES PROVIDEDFINISHED HEAD


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