5306-01-379-9992, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-379-9992

Federal Supply Class:
5306

National Item Identification Number:
013799992

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:

1217B3299	03538	LOCKHEED MARTIN CORPORATION
1217B3299	34712	LAKE SHORE SYSTEMS, INC.
1217B3299	54497	MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.875 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	2.750 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.315 INCHES NOMINAL
HEAD HEIGHT	0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	FED 66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
MINIMUM TENSILE STRENGTH	80000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.375 INCHES
WIDTH BETWEEN FLATS	0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.875 INCHES NOMINAL
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNF

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