5306-01-244-5941, BOLT,EXTERNALLY RELIEVED BODY

5306-01-244-5940 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-244-5941

Federal Supply Class:
5306

National Item Identification Number:
012445941

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:

1441M12P01	06710	VALLEY-TODECO, INC.
1441M12P01	07482	GENERAL ELECTRIC COMPANY
1441M12P01	0HL40	MECAIR AEROSPACE INDUSTRIES SUBSIDIARY OF SPS TECHNOLOGIES DIV D SPS TECHNOLOGIES DBA MECAIR INC.
1441M12P01	0UCY9	M.S. AEROSPACE INC.
1441M12P01	27238	BRISTOL INDUSTRIES, LLC
1441M12P01	2T498	MORTON GRINDING, INC
1441M12P01	4GP55	ACUFAST AIRCRAFT PRODUCTS

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.060 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.190 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.390 INCHES MINIMUM AND 0.430 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	3
FASTENER LENGTH	0.940 INCHES MINIMUM AND 0.960 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.302 INCHES MINIMUM AND 0.308 INCHES MAXIMUM
HEAD HEIGHT	0.373 INCHES MINIMUM AND 0.392 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON EXTENDED WASHER
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.3125 INCHES
SECOND DIAMETER FROM HEAD	0.319 INCHES MINIMUM AND 0.321 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.375 INCHES NOMINAL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THIRD DIAMETER FROM HEAD	0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM
THREAD LENGTH	0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM
THREAD QUANTITY PER INCH	24

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