5306-00-165-5020, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-165-5020

Federal Supply Class:
5306

National Item Identification Number:
001655020

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:

39322	00198	PRATT & WHITNEY CANADA CORP
39322	77445	RTX CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.160 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.400 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	1.400 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	1.400 INCHES MINIMUM AND 1.410 INCHES MAXIMUM
HEAD HEIGHT	0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.4375 INCHES
SECOND DIAMETER FROM HEAD	0.320 INCHES MINIMUM AND 0.330 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.610 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	20

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