5306-00-478-9567, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-478-9567

Federal Supply Class:
5306

National Item Identification Number:
004789567

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:

130384

0AHP5

CURTISS-WRIGHT CONTROLS, INC.

Techincal Specification:

DISTANCE FROM CENTERLINE TO FLAT	0.339 INCHES MINIMUM AND 0.341 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	2.840 INCHES MINIMUM AND 2.880 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.120 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	3.260 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.366 INCHES MINIMUM AND 0.368 INCHES MAXIMUM
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
HEAD DIAMETER	0.770 INCHES NOMINAL
HEAD STYLE	DEE
MATERIAL	STEEL COMP 4140 OR STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES
SECOND DIAMETER FROM HEAD	0.285 INCHES MINIMUM AND 0.289 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNF

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