5306-01-320-1452, BOLT,EXTERNALLY RELIEVED BODY

5306-01-320-1453 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-320-1452

Federal Supply Class:
5306

National Item Identification Number:
013201452

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:

4075598	0UCY9	M.S. AEROSPACE INC.
4075598	4GP55	ACUFAST AIRCRAFT PRODUCTS
4075598	52661	RTX CORPORATION
4075598	77445	RTX CORPORATION
5306PL0894780	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.190 INCHES
THREAD QUANTITY PER INCH	32
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.372 INCHES NOMINAL
FASTENER LENGTH	0.865 INCHES MINIMUM AND
	0.885 INCHES MAXIMUM
MATERIAL	NICKEL ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 7471 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND
	44.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE	DOUBLE HEXAGON W/HOLE
HEAD HEIGHT	0.248 INCHES MINIMUM AND
	0.268 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.250 INCHES NOMINAL
EXTENDED WASHER DIAMETER	0.365 INCHES MINIMUM AND
	0.385 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.045 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FIRST DIAMETER FROM HEAD	0.2435 INCHES MINIMUM AND
	0.2480 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD	0.130 INCHES MINIMUM AND
	0.140 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.454 INCHES MINIMUM AND
	0.458 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.503 INCHES NOMINAL
SPECIAL FEATURES	CENTER HEAD HOLE 0.090/0.110 IN. DIA X 0.128 IN. NOM DEEP
CRITICALITY CODE JUSTIFICATION	AGAV
THE MANUFACTURERS DATA
MANUFACTURERS CODE	77445
DESIGN CONTROL REFERENCE	4075598

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