5306-00-705-5630, BOLT,MACHINE

National Stock Number:
5306-00-705-5630

Federal Supply Class:
5306

National Item Identification Number:
007055630

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:

7055630

19207

U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

FASTENER LENGTH	4.968 INCHES MINIMUM AND 5.031 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	2.468 INCHES MINIMUM AND 2.531 INCHES MAXIMUM
HARDNESS RATING	28.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.562 INCHES MINIMUM AND 0.582 INCHES MAXIMUM
HEAD STYLE	HEXAGON
LOCKING FEATURE	DISTORTIONS BEARING SURFACE OF HEAD
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-624,FS 9440 FED SPEC 4TH MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 5145 OR STEEL COMP 8640 OR STEEL COMP 8740 OR STEEL OVERALL
NOMINAL THREAD DIAMETER	1.000 INCHES
SPECIAL FEATURES	1.000 IN. DIA BY 0.297 IN. RADIUS HOLE CENTERED ON TOP OF HEAD
WIDTH BETWEEN FLATS	1.269 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
SURFACE TREATMENT	CADMIUM OR ZINC OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	2.500 INCHES MINIMUM
THREAD QUANTITY PER INCH	14
THREAD SERIES DESIGNATOR	UNS

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