5306-00-580-9702, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-580-9702

Federal Supply Class:
5306

National Item Identification Number:
005809702

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:

427R158H01

97942

NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.438 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.365 INCHES MINIMUM AND
	0.465 INCHES MAXIMUM
FASTENER LENGTH	1.740 INCHES NOMINAL
MATERIAL	ALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/6 T351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-5541 CL 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.200 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.688 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	4
FIRST DIAMETER FROM HEAD	0.354 INCHES MINIMUM AND
	0.359 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD	0.431 INCHES MINIMUM AND
	0.436 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD	0.310 INCHES NOMINAL
FOURTH DIAMETER FROM HEAD	0.431 INCHES MINIMUM AND
	0.436 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.100 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.220 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	1.155 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	1.275 INCHES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE	97942
DESIGN CONTROL REFERENCE	427R158H01

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