5306-01-374-3275, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-374-3275

Federal Supply Class:
5306

National Item Identification Number:
013743275

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:

211075976	96169	ELECTRIC BOAT CORPORATION
5768588 ITEM 19	53711	NAVAL SEA SYSTEMS COMMAND
MIL-DTL-1222	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-1222	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
60-01-7229	96169	ELECTRIC BOAT CORPORATION

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.375 INCHES
THREAD QUANTITY PER INCH	16
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.685 INCHES NOMINAL
FASTENER LENGTH	2.060 INCHES NOMINAL
MATERIAL	NICKEL ALLOY K-500 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-286 CLA FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING	85.0 ROCKWELL C MINIMUM OVERALL
MINIMUM TENSILE STRENGTH	130000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	90000 POUNDS PER SQUARE INCH
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.226 INCHES MINIMUM AND
	0.243 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.551 INCHES MINIMUM AND
	0.562 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FIRST DIAMETER FROM HEAD	0.275 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	1.375 INCHES NOMINAL
NONDEFINITIVE SPEC/STD DATA	3 TYPE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MIL-DTL-1222

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