5306-01-185-7090, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-185-7090

Federal Supply Class:
5306

National Item Identification Number:
011857090

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:

4F73472-103A	05699	BRUNSWICK CORP DEFENSE DIV
4F73472-103A	98897	LOCKHEED MARTIN CORP

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.375 INCHES
THREAD QUANTITY PER INCH	24
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.550 INCHES MINIMUM AND
	0.580 INCHES MAXIMUM
FASTENER LENGTH	4.555 INCHES MINIMUM AND
	4.575 INCHES MAXIMUM
MATERIAL	STEEL COMP 416 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.315 INCHES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	4.255 INCHES NOMINAL ALL HOLES
SHANK UNTHREADED HOLE DIAMETER	0.108 INCHES MINIMUM AND
	0.113 INCHES MAXIMUM ALL HOLES
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FIRST DIAMETER FROM HEAD	0.496 INCHES MINIMUM AND
	0.498 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD	0.303 INCHES MINIMUM AND
	0.313 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	3.865 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	4.000 INCHES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE	98897
DESIGN CONTROL REFERENCE	4F73472-103A

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