5306-00-680-9443, BOLT,EXTERNALLY RELIEVED BODY

5305-00-680-9445 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-680-9443

Federal Supply Class:
5306

National Item Identification Number:
006809443

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:

354914	77445	RTX CORPORATION
354914	80539	SPS TECHNOLOGIES, LLC
354914	92215	HOWMET GLOBAL FASTENING SYSTEMS INC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.200 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.386 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	3
FASTENER LENGTH	1.170 INCHES MINIMUM AND 1.190 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM
HEAD HEIGHT	0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
HEAD STYLE	ROUND W/WRENCH FLATS CHAMFERED
MATERIAL	STEEL COMP 601 OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
NONSTANDARD THREAD PITCH DIAMETER	+0.2797 TO 0.2824 INCHES
SECOND DIAMETER FROM HEAD	0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT	NICKEL AND CADMIUM OVERALL
THIRD DIAMETER FROM HEAD	0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.660 INCHES MINIMUM AND 0.740 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNS
THREAD QUANTITY PER INCH	24

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