5306-01-320-3946, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-320-3946

Federal Supply Class:
5306

National Item Identification Number:
013203946

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:

4075449	0UCY9	M.S. AEROSPACE INC.
4075449	52661	RTX CORPORATION
4075449	77445	RTX CORPORATION
5306PL1499247	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.310 INCHES NOMINAL
FASTENER LENGTH	1.325 INCHES MINIMUM AND
	1.335 INCHES MAXIMUM
MATERIAL	NICKEL ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	PWA 96 MFR REF SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	PWA 36545-3 MFR REF SINGLE TREATMENT RESPONSE BEARING SURFACE OF HEAD
	PWA 36545-3 MFR REF SINGLE TREATMENT RESPONSE THREADS
HEAD STYLE	HEXAGON EXTENDED WASHER
HEAD HEIGHT	0.240 INCHES MINIMUM AND
	0.260 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.497 INCHES NOMINAL
EXTENDED WASHER DIAMETER	0.460 INCHES MINIMUM AND
	0.510 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.006 INCHES MINIMUM AND
	0.016 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FIRST DIAMETER FROM HEAD	0.194 INCHES MINIMUM AND
	0.198 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	1.015 INCHES MINIMUM AND
	1.025 INCHES MAXIMUM
SPECIAL FEATURES	SURFACE FINISH OF SHANK AND THREADS IS 32 MICROINCHES
THE MANUFACTURERS DATA
MANUFACTURERS CODE	0UCY9
DESIGN CONTROL REFERENCE	4075449

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