5306-01-045-0082, BOLT,MACHINE

National Stock Number:
5306-01-045-0082

Federal Supply Class:
5306

National Item Identification Number:
010450082

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:

9419376	16004	DAVEY COMPRESSOR CO DIV OF KECO INDUSTRIES INC
9419376	5RQL2	DRS ENVIRONMENTAL SYSTEMS INC
9419376	92878	HDT EXPEDITIONARY SYSTEMS INC

Techincal Specification:

EXTENDED WASHER DIAMETER	0.607 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.095 INCHES NOMINAL
FASTENER LENGTH	0.940 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
HARDNESS RATING	22.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.233 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
HEAD STYLE	HEXAGON EXTENDED WASHER
LOCKING FEATURE	LOCKING TEETH HEAD
MATERIAL	STEEL COMP 1018 OR STEEL COMP 1021 OR STEEL COMP 1022 OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SPECIAL FEATURES	24 SERRATIONS ON WASHER
SURFACE TREATMENT	ZINC OR NICKEL OR CADMIUM OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.840 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS	0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM

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