5306-00-518-5743, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-518-5743

Federal Supply Class:
5306

National Item Identification Number:
005185743

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:

2076575P1

10001

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
HARDNESS RATING	80.0 ROCKWELL C NOMINAL OVERALL
HEAD HEIGHT	0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	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 YIELD STRENGTH	30000 POUNDS PER SQUARE INCH
MINIMUM TENSILE STRENGTH	80000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD LENGTH	0.204 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	20
WIDTH BETWEEN FLATS	0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM

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