5306-00-431-6904, BOLT,EXTERNALLY RELIEVED BODY

5340-00-431-6905 POST,ELECTRICAL-MECHANICAL EQUIPMENT

National Stock Number:
5306-00-431-6904

Federal Supply Class:
5306

National Item Identification Number:
004316904

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:

232285Y20

0AHP5

CURTISS-WRIGHT CONTROLS, INC.

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.438 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.560 INCHES MINIMUM AND
	0.580 INCHES MAXIMUM
FASTENER LENGTH	1.640 INCHES MINIMUM AND
	1.650 INCHES MAXIMUM
MATERIAL	STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND
	36.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE	ROUND W/WRENCH FLATS CHAMFERED
HEAD DIAMETER	0.880 INCHES NOMINAL
HEAD HEIGHT	0.510 INCHES MINIMUM AND
	0.520 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.530 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FIRST DIAMETER FROM HEAD	0.5095 INCHES MINIMUM AND
	0.5100 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD	0.360 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.730 INCHES MINIMUM AND
	0.740 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.070 INCHES MINIMUM AND
	1.080 INCHES MAXIMUM
SPECIAL FEATURES	OUTER EDGE OF ONE WRENCH FLAT CHAMFERED 45 DEG TO A DEPTH OF 0.340 IN. MIN,0.360 IN. MAX
TEST DATA DOCUMENT	81343-MS2640 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	AS DIFFERENTIATED BY PAC AAWC
CRITICALITY CODE JUSTIFICATION	AAWC
THE MANUFACTURERS DATA
MANUFACTURERS CODE	0AHP5
DESIGN CONTROL REFERENCE	232285Y20

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