5306-01-206-7225, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-206-7225

Federal Supply Class:
5306

National Item Identification Number:
012067225

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:

68383-1

09344

ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.312 INCHES
THREAD QUANTITY PER INCH	24
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.650 INCHES NOMINAL
FASTENER LENGTH	1.120 INCHES NOMINAL
MATERIAL	STEEL COMP 630 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	33.0 ROCKWELL C MINIMUM AND
	38.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.226 INCHES MINIMUM AND
	0.243 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.551 INCHES MINIMUM AND
	0.562 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FIRST DIAMETER FROM HEAD	0.365 INCHES MINIMUM AND
	0.370 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD	0.240 INCHES MINIMUM AND
	0.250 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.345 INCHES MINIMUM AND
	0.355 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.470 INCHES NOMINAL

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