5306-00-526-4076, BOLT,EXTERNALLY RELIEVED BODY

5342-00-526-4082 MOUNT,RESILIENT,WEAPON SYSTEM

National Stock Number:
5306-00-526-4076

Federal Supply Class:
5306

National Item Identification Number:
005264076

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:

4044389	0UCY9	M.S. AEROSPACE INC.
4044389	11449	TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP
4044389	52661	RTX CORPORATION
4044389	56878	SPS TECHNOLOGIES, LLC
4044389	77445	RTX CORPORATION
4044389	A1387	NECCHI SPA

Techincal Specification:

	0.320 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.360 INCHES MINIMUM AND
	0.370 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	0.430 INCHES MINIMUM AND
	0.550 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.190 INCHES
THREAD QUANTITY PER INCH	32
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.455 INCHES MINIMUM AND
	0.595 INCHES MAXIMUM
FASTENER LENGTH	1.005 INCHES MINIMUM AND
	1.025 INCHES MAXIMUM
MATERIAL	NICKEL ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5708 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND
	44.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	175000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	115000 POUNDS PER SQUARE INCH
HEAD STYLE	DOUBLE HEXAGON W/HOLE
HEAD HEIGHT	0.293 INCHES MINIMUM AND
	0.313 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.312 INCHES NOMINAL
EXTENDED WASHER DIAMETER	0.428 INCHES MINIMUM AND
	0.448 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.060 INCHES MINIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	4
FIRST DIAMETER FROM HEAD	0.250 INCHES MINIMUM AND
	0.252 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD	0.185 INCHES MINIMUM AND
	0.195 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD	0.250 INCHES MINIMUM AND
	0.252 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.165 INCHES MINIMUM AND
	0.175 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.205 INCHES MINIMUM AND
	0.225 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.310 INCHES MINIMUM AND

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