5306-00-860-3956, BOLT,INTERNAL WRENCHING

National Stock Number:
5306-00-860-3956

Federal Supply Class:
5306

National Item Identification Number:
008603956

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:

10114423	A486G	NIMIKKEISTOKESKUS NCB FINLAND
58A164C57	072E5	VERTEX MODERNIZATION AND SUSTAINMENT LLC
58A164C57	0UCY9	M.S. AEROSPACE INC.
58A164C57	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
58A164C57	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
58A164C57	32067	MARVIN ENGINEERING CO, INC
58A164C57	3N278	BRIARWOOD FASTENERS, INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.338 INCHES MINIMUM AND 0.348 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.502 INCHES MINIMUM AND 0.506 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.752 INCHES MINIMUM AND 0.756 INCHES MAXIMUM
FASTENER LENGTH	2.793 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	1.020 INCHES MINIMUM AND 1.030 INCHES MAXIMUM
HARDNESS RATING	46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	1.484 INCHES NOMINAL
HEAD HEIGHT	0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.750 INCHES
SECOND DIAMETER FROM HEAD	0.741 INCHES MINIMUM AND 0.747 INCHES MAXIMUM
WIDTH ACROSS FLATS	0.568 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THIRD DIAMETER FROM HEAD	0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM
THREAD LENGTH	1.232 INCHES MINIMUM AND 1.388 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	16

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