5306-00-530-9854, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-530-9854

Federal Supply Class:
5306

National Item Identification Number:
005309854

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:

277519	0EEG3	VALCO CO GOVERNMENT SALES OFFICE
277519	56878	SPS TECHNOLOGIES, LLC
277519	77445	RTX CORPORATION
277519	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
277519	93907	TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.502 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM
HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON W/HOLE
HOLE CONFIGURATION STYLE	DOUBLE HEXAGON LONGITUDINAL HOLE
HOLE DIAMETER	0.065 INCHES NOMINAL
HOLE QUANTITY	4
HOLE TYPE	DRILLED
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 601 OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
NONSTANDARD THREAD PITCH DIAMETER	+0.3023 TO 0.3095 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.866 INCHES MINIMUM AND 0.946 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	24
WIDTH BETWEEN FLATS	0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM

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