5306-00-094-4542, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-094-4542

Federal Supply Class:
5306

National Item Identification Number:
000944542

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:

264638

98897

LOCKHEED MARTIN CORP

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	4.220 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	3.220 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	4.158 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.500 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	4
FASTENER LENGTH	6.865 INCHES MINIMUM AND 6.885 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
HEAD HEIGHT	0.312 INCHES NOMINAL
HEAD STYLE	HEXAGON
HOLE CONFIGURATION STYLE	HEXAGON FLATS
HOLE DIAMETER	0.063 INCHES NOMINAL
HOLE QUANTITY	1
HOLE TYPE	DRILLED
NOMINAL THREAD DIAMETER	0.500 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
SECOND DIAMETER FROM HEAD	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.438 INCHES NOMINAL
THIRD DIAMETER FROM HEAD	0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.875 INCHES NOMINAL
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNF

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