5306-00-145-7026, BOLT,MACHINE

National Stock Number:
5306-00-145-7026

Federal Supply Class:
5306

National Item Identification Number:
001457026

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:

AN3C15	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
B6812	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
Z00.N5106691015	F0086	SOCATA

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	1.641 INCHES MINIMUM AND
	1.688 INCHES MAXIMUM
MATERIAL	STEEL COMP 431 OVERALL
THREAD LENGTH	0.374 INCHES MINIMUM AND
	0.453 INCHES MAXIMUM
HEAD STYLE	HEXAGON
THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.190 INCHES
THREAD QUANTITY PER INCH	32
THREAD CLASS	3A
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND
	32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	125000 POUNDS PER SQUARE INCH
HEAD HEIGHT	0.109 INCHES MINIMUM AND
	0.141 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.365 INCHES MINIMUM AND
	0.377 INCHES MAXIMUM
GRIP LENGTH	1.234 INCHES MINIMUM AND
	1.266 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.500 INCHES MINIMUM AND
	1.531 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.070 INCHES MINIMUM AND
	0.080 INCHES MAXIMUM FIRST HOLE
FEATURES PROVIDED	FINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	AN3C15
MANUFACTURERS CODE	81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	B6812

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