5306-01-298-5917, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-298-5917

Federal Supply Class:
5306

National Item Identification Number:
012985917

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:

5521492

53711

NAVAL SEA SYSTEMS COMMAND

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	31.0 MILLIMETERS MINIMUM
EXTENDED WASHER DIAMETER	28.4 MILLIMETERS MINIMUM AND 28.7 MILLIMETERS MAXIMUM
EXTENDED WASHER THICKNESS	5.85 MILLIMETERS MINIMUM AND 6.15 MILLIMETERS MAXIMUM
EXTERNAL THREAD TOLERANCE CLASS	6H
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	46.0 MILLIMETERS NOMINAL
FIRST DIAMETER FROM HEAD	12.0 MILLIMETERS MINIMUM AND 12.3 MILLIMETERS MAXIMUM
HEAD HEIGHT	11.85 MILLIMETERS MINIMUM AND 12.15 MILLIMETERS MAXIMUM
HEAD STYLE	HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-46850 TY 4 GR 250 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
POINT STYLE	OVAL
PROPRIETARY CHARACTERISTICS	PACS
NOMINAL THREAD DIAMETER	16.0 MILLIMETERS
WIDTH BETWEEN FLATS	18.67 MILLIMETERS MINIMUM AND 19.00 MILLIMETERS MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-N-290 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	NICKEL OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	14.85 MILLIMETERS MINIMUM AND 15.15 MILLIMETERS MAXIMUM
THREAD SERIES DESIGNATOR	M
THREAD PITCH IN MILLIMETERS	2.0

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