5306-00-459-4544, BOLT,EXTERNALLY RELIEVED BODY

5360-00-459-4545 SPRING,HELICAL,COMPRESSION

National Stock Number:
5306-00-459-4544

Federal Supply Class:
5306

National Item Identification Number:
004594544

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:

611967	56878	SPS TECHNOLOGIES, LLC
611967	77445	RTX CORPORATION
611967	92215	HOWMET GLOBAL FASTENING SYSTEMS INC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.218 INCHES MINIMUM AND 0.248 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.010 INCHES MINIMUM AND 0.060 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO FLAT	0.118 INCHES MINIMUM AND 0.123 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	4
FASTENER LENGTH	0.910 INCHES MINIMUM AND 0.930 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.197 INCHES NOMINAL
FOURTH DIAMETER FROM HEAD	0.270 INCHES MINIMUM AND 0.272 INCHES MAXIMUM
HEAD HEIGHT	0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
HEAD DIAMETER	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
HEAD STYLE	DEE CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5708 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	NICKEL ALLOY OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SECOND DIAMETER FROM HEAD	0.270 INCHES MINIMUM AND 0.272 INCHES MAXIMUM
SPECIAL FEATURES	FLAT SURFACE OF DEE HEAD EXTENDS INTO SHANK 0.030 IN. MIN,0.080 IN. MAX
THIRD DIAMETER FROM HEAD	0.175 INCHES MINIMUM AND 0.195 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	1A
THREAD LENGTH	0.488 INCHES MINIMUM AND 0.548 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	28

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