5306-01-408-8580, BOLT,EXTERNALLY RELIEVED BODY

5306-01-408-8579 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-408-8580

Federal Supply Class:
5306

National Item Identification Number:
014088580

Description:
BOLT,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.

Manufacturer Information:

10116284	A486G	NIMIKKEISTOKESKUS NCB FINLAND
2054AS295-01	0NNS4	LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN SIMULATION TRAINING & SUPPORT
2054AS295-01	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.399 INCHES MINIMUM AND
	0.429 INCHES MAXIMUM
FASTENER LENGTH	1.149 INCHES MINIMUM AND
	1.179 INCHES MAXIMUM
MATERIAL	STEEL COMP 203EZ OR
	STEEL COMP 303 OR
	STEEL COMP 303 PLUS X OR
	STEEL COMP 303MA OR
	STEEL COMP 303PB OR
	STEEL COMP 303SE OR
	STEEL COMP 416 OR
	STEEL COMP 416 PLUS X OR
	STEEL COMP 416SE OR
	STEEL COMP 430F OR
	STEEL COMP 430FSE OR
	STEEL COMP 420F OR
	STEEL COMP 420FSE OR
	STEEL COMP 440F HEAD
	STEEL GRIP
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A581 ASSN STD ALL MATERIAL RESPONSES OR
	ASTM A582 ASSN STD ALL MATERIAL RESPONSES HEAD
	ASTM A193 ASSN STD SINGLE MATERIAL RESPONSE OR
	ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OR
	ASTM A479 ASSN STD SINGLE MATERIAL RESPONSE GRIP
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-14072(EL)E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.235 INCHES MINIMUM AND
	0.265 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.558 INCHES MINIMUM AND
	0.577 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FIRST DIAMETER FROM HEAD	0.170 INCHES MINIMUM AND
	0.180 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.740 INCHES MINIMUM AND
	0.760 INCHES MAXIMUM

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