5306-00-693-5945, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-693-5945

Federal Supply Class:
5306

National Item Identification Number:
006935945

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:

136387

0AHP5

CURTISS-WRIGHT CONTROLS, INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.180 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
COUNTERSINK ANGLE	15.0 DEGREES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.640 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.308 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.320 INCHES NOMINAL
HEAD STYLE	HEXAGON COUNTERSUNK
MATERIAL	STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES
NONSTANDARD THREAD PITCH DIAMETER	+0.3455 TO 0.3474 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
WIDTH BETWEEN FLATS	0.493 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.380 INCHES MINIMUM AND 0.460 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	24

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