5306-00-098-2610, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-098-2610

Federal Supply Class:
5306

National Item Identification Number:
000982610

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:

249280

00198

PRATT & WHITNEY CANADA CORP

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIFTH DIAMETER	2.590 INCHES MINIMUM AND 2.670 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	2.270 INCHES MINIMUM AND 2.350 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	2.380 INCHES MINIMUM AND 2.470 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	2.110 INCHES MINIMUM AND 2.150 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	6
FASTENER LENGTH	4.530 INCHES MINIMUM AND 4.550 INCHES MAXIMUM
FIFTH DIAMETER FROM HEAD	0.331 INCHES MINIMUM AND 0.335 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.331 INCHES MINIMUM AND 0.335 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.241 INCHES MINIMUM AND 0.245 INCHES MAXIMUM
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
HEAD STYLE	HEXAGON
HOLE CONFIGURATION STYLE	HEXAGON FLATS
HOLE DIAMETER	0.065 INCHES NOMINAL
HOLE TYPE	DRILLED
HOLE QUANTITY	3
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
SECOND DIAMETER FROM HEAD	0.232 INCHES MINIMUM AND 0.236 INCHES MAXIMUM
SPECIAL FEATURES	0.232 IN. MIN,0.236 IN. MAX SIXTH DIA FROM HEAD,4.020 IN. MIN LENGTH FROM LARGEST BEARING SURFACE OF HEAD TO END OF SIXTH DIA
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	0.331 INCHES MINIMUM AND 0.335 INCHES MAXIMUM
THREAD LENGTH	0.510 INCHES MINIMUM AND 0.530 INCHES MAXIMUM
THREAD QUANTITY PER INCH	18
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS	0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM

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