5306-00-449-2935, BOLT,EXTERNALLY RELIEVED BODY

5306-00-449-2933 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-449-2935

Federal Supply Class:
5306

National Item Identification Number:
004492935

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:

968972-1	0UCY9	M.S. AEROSPACE INC.
968972-1	99193	HONEYWELL INTERNATIONAL INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.400 INCHES MINIMUM AND 1.440 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	1.450 INCHES MINIMUM AND 1.510 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.160 INCHES MINIMUM AND 0.220 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	1.850 INCHES MINIMUM AND 1.880 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	4
FASTENER LENGTH	2.530 INCHES MINIMUM AND 2.560 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.204 INCHES MINIMUM AND 0.209 INCHES MAXIMUM
HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.140 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5706 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	NICKEL OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SECOND DIAMETER FROM HEAD	0.204 INCHES MINIMUM AND 0.209 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD	0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	0.480 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	28

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