5306-99-109-0732, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-99-109-0732

Federal Supply Class:
5306

National Item Identification Number:
991090732

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:

B386787	K0378	ROLLS-ROYCE PLC
B386787 ZZ	K0378	ROLLS-ROYCE PLC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.200 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.580 INCHES NOMINAL
FASTENER LENGTH	1.120 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	BRISTOL SIDDELEY ENGINES LTD BSE-529 MFR REF SINGLE MATERIAL RESPONSE
MATERIAL	STEEL CORROSION RESISTING
NOMINAL THREAD DIAMETER	0.250 INCHES
SECOND DIAMETER FROM HEAD	0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM
SPECIAL FEATURES	SKETCH INFORMATION CANNOT BE CONVERTED
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.540 INCHES NOMINAL
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNF

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