5306-00-152-5176, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-152-5176

Federal Supply Class:
5306

National Item Identification Number:
001525176

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:

126687

00198

PRATT & WHITNEY CANADA CORP

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIFTH DIAMETER	0.890 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	0.670 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.420 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.600 INCHES MINIMUM AND 0.620 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	5
FASTENER LENGTH	2.745 INCHES MINIMUM AND 2.755 INCHES MAXIMUM
FIFTH DIAMETER FROM HEAD	0.358 INCHES MINIMUM AND 0.368 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.350 INCHES MINIMUM AND 0.368 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.434 INCHES MINIMUM AND 0.435 INCHES MAXIMUM
HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
HEAD DIAMETER	0.750 INCHES MINIMUM AND 0.770 INCHES MAXIMUM
HEAD STYLE	DRIVE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER	0.4375 INCHES
SPECIAL FEATURES	0.434 IN. MIN 0.435 IN. MAX 6TH DIA FROM HEAD,0.358 IN. MIN 0.368 IN. MAX 7TH DIA FROM HEAD,1.940 IN. MIN 1.960 IN. MAX LENGTH FROM LARGEST BEARING SURFACE OF HEAD TO END OF SIXTH DIA,2.110 IN. MIN TO 2.130 IN. MAX LENGTH FROM LARGEST BEARING SURFACE OF HEAD TO END OF SEVENTH DIA
SECOND DIAMETER FROM HEAD	0.443 INCHES MINIMUM AND 0.447 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THIRD DIAMETER FROM HEAD	0.358 INCHES MINIMUM AND 0.368 INCHES MAXIMUM
THREAD LENGTH	0.615 INCHES MINIMUM AND 0.645 INCHES MAXIMUM
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNF

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