5306-01-159-8546, BOLT,EXTERNALLY RELIEVED BODY

5306-01-159-8547 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-159-8546

Federal Supply Class:
5306

National Item Identification Number:
011598546

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:

141C2906 P1

04241

BECHTEL MARINE PROPULSION CORPORATION DBA KNOLLS ATOMIC POWER LABORATORY

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	2.880 INCHES NOMINAL
CRITICALITY CODE JUSTIFICATION	ZZZY
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	4.340 INCHES MINIMUM AND 4.380 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM
HEAD DIAMETER	1.480 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
MATERIAL	NICKEL ALLOY OVERALL
NOMINAL THREAD DIAMETER	1.000 INCHES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
SPECIAL FEATURES	THE HEAD IS CASTELLATED,EQUALLY SPACED 0.286 INCHES APART,AND THE HEADIS A HEX SOCKET
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.460 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
THREAD QUANTITY PER INCH	8
THREAD SERIES DESIGNATOR	UNC

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