5306-00-098-2591, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-098-2591

Federal Supply Class:
5306

National Item Identification Number:
000982591

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:

232158	0EEG3	VALCO CO GOVERNMENT SALES OFFICE
232158	77445	RTX CORPORATION

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.312 INCHES
THREAD QUANTITY PER INCH	24
THREAD CLASS	1A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.817 INCHES MAXIMUM
FASTENER LENGTH	1.280 INCHES NOMINAL
MATERIAL	STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
HARDNESS RATING	25.0 ROCKWELL C MINIMUM AND
	33.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE	DEE
HEAD DIAMETER	0.740 INCHES MINIMUM AND
	0.760 INCHES MAXIMUM
HEAD HEIGHT	0.240 INCHES MINIMUM AND
	0.260 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO FLAT	0.247 INCHES MINIMUM AND
	0.253 INCHES MAXIMUM
HOLE CONFIGURATION STYLE	ROUND
HOLE TYPE	DRILLED
HOLE QUANTITY	1
HOLE DIAMETER	0.062 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FIRST DIAMETER FROM HEAD	0.309 INCHES MINIMUM AND
	0.312 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD	0.235 INCHES MINIMUM AND
	0.245 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.225 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.295 INCHES MINIMUM AND
	0.315 INCHES MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE	77445
DESIGN CONTROL REFERENCE	232158

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