5306-99-198-1923, BOLT,MACHINE

National Stock Number:
5306-99-198-1923

Federal Supply Class:
5306

National Item Identification Number:
991981923

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:

A102	K7766	BRITISH STANDARDS INSTITUTION
FRS1045-7E	U1918	MISSION SYSTEMS WIMBORNE LIMITED

Techincal Specification:

CRITICALITY CODE JUSTIFICATION	CRHC AND BQDM AND ASXK AND AAUB
DEPARTURE FROM CITED DESIGNATOR	7E AS MODIFIED BY FASTENER LENGTH,HOLE CONFIGURATION,STYLE,HOLE TYPE,HOLE QTY AND HOLE DIA
FASTENER LENGTH	1.300 INCHES MINIMUM AND 1.340 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	0.700 INCHES NOMINAL
HARDNESS RATING	248.0 BRINELL STANDARD MINIMUM AND 302.0 BRINELL STANDARD MAXIMUM OVERALL
HEAD HEIGHT	0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
HEAD STYLE	HEXAGON
HOLE CONFIGURATION STYLE	HEXAGON LONGITUDINAL HOLE
HOLE DIAMETER	0.0413 INCHES NOMINAL
HOLE QUANTITY	1
HOLE TYPE	DRILLED
MATERIAL DOCUMENT AND CLASSIFICATION	BS S95 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR BS S96 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR BS S114 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR BS S116 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR BS S117 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	123200 LOAD RANGE D
NOMINAL THREAD DIAMETER	0.250 INCHES
SPECIAL FEATURES	CONFIGURATION A HOLE
WIDTH BETWEEN FLATS	0.431 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.600 INCHES MINIMUM AND 0.640 INCHES MAXIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNF

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