5306-00-206-9996, BOLT,EXTERNALLY RELIEVED BODY

5306-00-206-9997 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-206-9996

Federal Supply Class:
5306

National Item Identification Number:
002069996

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:

232095	0EEG3	VALCO CO GOVERNMENT SALES OFFICE
232095	77445	RTX CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.280 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.480 INCHES MINIMUM AND 0.540 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO FLAT	0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	3
FASTENER LENGTH	1.413 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD DIAMETER	0.610 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
HEAD HEIGHT	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
HEAD STYLE	DEE CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	IRON ALLOY 660 OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
NONSTANDARD THREAD PITCH DIAMETER	+0.2800 TO 0.2824 INCHES
SECOND DIAMETER FROM HEAD	0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THIRD DIAMETER FROM HEAD	0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
THREAD LENGTH	0.740 INCHES MINIMUM AND 0.770 INCHES MAXIMUM
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNF

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