5306-00-638-8275, BOLT,MACHINE

National Stock Number:
5306-00-638-8275

Federal Supply Class:
5306

National Item Identification Number:
006388275

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:

221410	52661	RTX CORPORATION
221410	77445	RTX CORPORATION
221410	80539	SPS TECHNOLOGIES, LLC
221410	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
537959	0EEG3	VALCO CO GOVERNMENT SALES OFFICE
537959	77445	RTX CORPORATION
537959	80539	SPS TECHNOLOGIES, LLC
537959	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
537959	D9182	ZF INDUSTRIEANTRIEBE WITTEN GMBH

Techincal Specification:

CRITICALITY CODE JUSTIFICATION	AAUB
FASTENER LENGTH	0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM
HEAD STYLE	HEXAGON
HOLE CONFIGURATION STYLE	HEXAGON FLATS
HOLE DIAMETER	0.065 INCHES NOMINAL
HOLE QUANTITY	1
HOLE TYPE	DRILLED
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 601 OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
NONSTANDARD THREAD PITCH DIAMETER	+0.2797 TO 0.2824 INCHES
WIDTH BETWEEN FLATS	0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT	NICKEL AND CADMIUM OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNF

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