5306-01-226-1944, BOLT,INTERNAL WRENCHING

5305-01-226-1943 SCREW,MACHINE

5305-01-226-1945 SCREW,TAPPING

National Stock Number:
5306-01-226-1944

Federal Supply Class:
5306

National Item Identification Number:
012261944

Description:
BOLT,INTERNAL WRENCHING

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also SCREW, CAP, SOCKET HEAD. Excludes SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; and SCREW, MACHINE.

Manufacturer Information:

5595218	53711	NAVAL SEA SYSTEMS COMMAND
5595218	D9182	ZF INDUSTRIEANTRIEBE WITTEN GMBH
595218	53711	NAVAL SEA SYSTEMS COMMAND

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.500 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.540 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	0.980 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.3710 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM
HEAD DIAMETER	0.543 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT	0.245 INCHES NOMINAL
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-591 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL	COPPER ALLOY 647 OR COPPER ALLOY 651 OR COPPER ALLOY 655 OR COPPER ALLOY 661 OVERALL
PROPRIETARY CHARACTERISTICS	PACS
NOMINAL THREAD DIAMETER	0.312 INCHES
SECOND DIAMETER FROM HEAD	0.224 INCHES MINIMUM AND 0.236 INCHES MAXIMUM
SPECIAL FEATURES	UNDERCUT0.090 IN. LG BY 0.352 IN. DIA
WIDTH ACROSS FLATS	0.186 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM
THREAD QUANTITY PER INCH	18
THREAD SERIES DESIGNATOR	UNC

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