5306-00-811-7451, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-811-7451

Federal Supply Class:
5306

National Item Identification Number:
008117451

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:

705B435P2	07482	GENERAL ELECTRIC COMPANY
705B435P2	24446	GENERAL ELECTRIC COMPANY
C50T35	07482	GENERAL ELECTRIC COMPANY
S1212	07482	GENERAL ELECTRIC COMPANY

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.293 INCHES MINIMUM AND 0.298 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.348 INCHES MINIMUM AND 0.373 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	0.760 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.266 INCHES NOMINAL
HEAD HEIGHT	0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON W/HOLE
MATERIAL DOCUMENT AND CLASSIFICATION	C50T35 FSCM 07482 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SECOND DIAMETER FROM HEAD	0.203 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
THREAD CLASS	1A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.407 INCHES MINIMUM AND 0.412 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	28

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