5306-00-087-6499, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-087-6499

Federal Supply Class:
5306

National Item Identification Number:
000876499

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:

581177

77445

RTX CORPORATION

Techincal Specification:

THREAD SERIES DESIGNATOR	UNS
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	28
NONSTANDARD THREAD PITCH DIAMETER	0.2213 TO 0.2238 INCHES
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.330 INCHES MINIMUM AND
	0.410 INCHES MAXIMUM
FASTENER LENGTH	0.990 INCHES MINIMUM AND
	1.010 INCHES MAXIMUM
MATERIAL	IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE	DOUBLE HEXAGON W/HOLE
HEAD HEIGHT	0.320 INCHES MINIMUM AND
	0.340 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.304 INCHES MINIMUM AND
	0.313 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
HOLE CONFIGURATION STYLE	DOUBLE HEXAGON LONGITUDINAL HOLE
HOLE TYPE	DRILLED
HOLE QUANTITY	4
HOLE DIAMETER	0.060 INCHES MINIMUM AND
	0.080 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FIRST DIAMETER FROM HEAD	0.264 INCHES MINIMUM AND
	0.266 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD	0.194 INCHES MINIMUM AND
	0.198 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.370 INCHES MINIMUM AND
	0.390 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.600 INCHES MINIMUM AND
	0.660 INCHES MAXIMUM
SPECIAL FEATURES	MINOR DIA OF THD 0.203 IN. MAX
THE MANUFACTURERS DATA
MANUFACTURERS CODE	77445
DESIGN CONTROL REFERENCE	581177

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