5306-00-740-7642, BOLT,MACHINE

5306-00-740-7641 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-740-7642

Federal Supply Class:
5306

National Item Identification Number:
007407642

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:

5360007407642	SCY13	E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
7407642	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

FASTENER LENGTH	2.109 INCHES MINIMUM AND 2.141 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
HARDNESS RATING	28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
HEAD STYLE	HEXAGON
LOCKING FEATURE	DISTORTIONS BEARING SURFACE OF HEAD
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 8740 OR STEEL COMP 8640 OR STEEL COMP 4140 OR STEEL COMP 1340 OVERALL
NOMINAL THREAD DIAMETER	0.875 INCHES
SPECIAL FEATURES	BODY DIA REDUCED TO 0.777 IN. DIA FROM THE END TO 0.188 IN. FROM UNDERSIDE OF HEAD
WIDTH BETWEEN FLATS	1.108 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-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 TREATMENT	CADMIUM OR ZINC OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	0.797 INCHES MINIMUM AND 0.828 INCHES MAXIMUM
THREAD QUANTITY PER INCH	14
THREAD SERIES DESIGNATOR	UNF

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