5306-00-028-9820, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-028-9820

Federal Supply Class:
5306

National Item Identification Number:
000289820

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:

523575	0WLU1	GENERAL DYNAMICS CORP CONVAIR DIV LINDBERGH FIELD FACILITY
523575	14170	HUGHES MISSILE SYSTEMS CO SAN DIEGO
523575	17576	GOODRICH CORP DBA GOODRICH CORP
523575	63910	BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION I
523575	6K4C8	GOODRICH CORPORATION
523575	7B709	TRACOR FLIGHT SYSTEMS INC SUB OF TRACOR INC

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.563 INCHES
THREAD QUANTITY PER INCH	18
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.412 INCHES MINIMUM
FASTENER LENGTH	3.610 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.249 INCHES NOMINAL
WIDTH BETWEEN FLATS	1.438 INCHES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	3.437 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES NOMINAL FIRST HOLE
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	5
FIRST DIAMETER FROM HEAD	0.995 INCHES MINIMUM AND
	0.997 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD	0.745 INCHES MINIMUM AND
	0.748 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD	0.500 INCHES NOMINAL
FOURTH DIAMETER FROM HEAD	0.745 INCHES MINIMUM AND
	0.748 INCHES MAXIMUM
FIFTH DIAMETER FROM HEAD	0.620 INCHES MINIMUM AND
	0.623 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.310 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.750 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	2.430 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	2.812 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIFTH DIAMETER	3.108 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT

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