5306-00-409-0662, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-409-0662

Federal Supply Class:
5306

National Item Identification Number:
004090662

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:

99-6035864	99995	NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION
F271714	K0289	BRITISH AEROSPACE MILITARY AIRCRAFT & AEROSTRUCTURES
F271714	U9143	BAE SYSTEMS (OPERATIONS) LIMITED

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	2.700 INCHES MINIMUM AND 2.705 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	3.850 INCHES MINIMUM AND 3.855 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	1.050 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	3
FASTENER LENGTH	4.250 INCHES MINIMUM AND 4.255 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.562 INCHES NOMINAL
HEAD HEIGHT	0.130 INCHES NOMINAL
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	S99B,FSCM K0289 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.438 INCHES
SECOND DIAMETER FROM HEAD	0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD	0.562 INCHES NOMINAL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.400 INCHES MAXIMUM
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNF

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