5306-01-166-4536, BOLT,EXTERNALLY RELIEVED BODY

5306-01-166-4535 BOLT,EXTERNALLY RELIEVED BODY

5306-01-166-4538 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-166-4536

Federal Supply Class:
5306

National Item Identification Number:
011664536

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:

B486440

K0378

ROLLS-ROYCE PLC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.430 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.190 INCHES MINIMUM AND 1.230 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	1.930 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM
HEAD DIAMETER	0.605 INCHES MINIMUM AND 0.615 INCHES MAXIMUM
HEAD HEIGHT	0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
HEAD STYLE	ROUND W/WRENCH FLATS
MATERIAL DOCUMENT AND CLASSIFICATION	MSRR6001,FSCM K0378 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
SECOND DIAMETER FROM HEAD	0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM
SPECIAL FEATURES	EXTERNALLY RELIEVED BODIES ROUNDED 0.150 IN. RADIUS ON BOTH ENDS OF EACH DIA
WIDTH BETWEEN FLATS	0.483 INCHES NOMINAL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.700 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH	24

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