5306-01-321-9046, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-321-9046

Federal Supply Class:
5306

National Item Identification Number:
013219046

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:

4076478	0UCY9	M.S. AEROSPACE INC.
4076478	77445	RTX CORPORATION
5306PL1499396	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH

Techincal Specification:

DISTANCE FROM CENTERLINE TO FLAT	0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.520 INCHES MINIMUM AND 0.570 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.095 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	1.190 INCHES MINIMUM AND 1.200 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.329 INCHES MINIMUM AND 0.331 INCHES MAXIMUM
HEAD DIAMETER	0.490 INCHES NOMINAL
HEAD HEIGHT	0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
HEAD STYLE	DEE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 7471 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	NICKEL ALLOY OVERALL
NOMINAL THREAD DIAMETER	0.3125 INCHES
POINT CHAMFER ANGLE	58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM
POINT DIAMETER	0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
POINT LENGTH	0.190 INCHES NOMINAL
POINT STYLE	FLAT
SECOND DIAMETER FROM HEAD	0.247 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
SPECIAL FEATURES	BOTTOM FLAT OF HEAD CHAMFERRED 45/47 DEGREES
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.650 INCHES NOMINAL
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

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