5306-01-557-0473, BOLT,MACHINE

National Stock Number:
5306-01-557-0473

Federal Supply Class:
5306

National Item Identification Number:
015570473

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:

08130250FH8Y	36MV0	THE SHYFT GROUP USA, INC
1001564	1EFH8	GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC.
12759-00619	0Y3H3	FASTENAL COMPANY
19963	0Y3H3	FASTENAL COMPANY
10018682	61C19	MIL-COTS CORPORATION

Techincal Specification:

EXTENDED WASHER DIAMETER	1.020 INCHES MINIMUM AND 1.070 INCHES MAXIMUM
FASTENER LENGTH	2.910 INCHES MINIMUM AND 3.050 INCHES MAXIMUM
FEATURES PROVIDED	CASEHARDENED
HARDNESS RATING	25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.470 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
HEAD STYLE	CHAMFER SERRATED FLANGE
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	120000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.500 INCHES
SPECIAL FEATURES	SERRATED UNDER FLANGE
WIDTH BETWEEN FLATS	0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
SURFACE TREATMENT	ZINC OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	2.440 INCHES MINIMUM AND 2.540 INCHES MAXIMUM
THREAD QUANTITY PER INCH	13
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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