5306-01-026-6875, BOLT,EXTERNALLY RELIEVED BODY

5975-01-026-6876 ADAPTER,ELECTRICAL CONDUIT

National Stock Number:
5306-01-026-6875

Federal Supply Class:
5306

National Item Identification Number:
010266875

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:

4048153	52661	RTX CORPORATION
4048153	77445	RTX CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.515 INCHES MINIMUM AND 0.525 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	1.445 INCHES MINIMUM AND 1.465 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.050 INCHES MINIMUM AND 1.070 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	1.135 INCHES MINIMUM AND 1.155 INCHES MAXIMUM
FASTENER LENGTH	1.890 INCHES MINIMUM AND 1.910 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.335 INCHES MINIMUM AND 0.336 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.247 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	PWA92 FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	NICKEL OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
SECOND DIAMETER FROM HEAD	0.247 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD	0.318 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.445 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNJF
THREAD QUANTITY PER INCH	24

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