5306-01-021-6832, BOLT,INTERNAL WRENCHING

National Stock Number:
5306-01-021-6832

Federal Supply Class:
5306

National Item Identification Number:
010216832

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:

47421-1	1EM77	B & B SPECIALTIES INC
47421-1	70210	HONEYWELL INTERNATIONAL INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	3.340 INCHES MINIMUM AND 3.400 INCHES MAXIMUM
FASTENER LENGTH	4.060 INCHES MINIMUM AND 4.120 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.247 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HEAD DIAMETER	0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HEAD HEIGHT	0.250 INCHES NOMINAL
HEAD STYLE	BEVEL-CONICAL
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP XM-13 OVERALL
MINIMUM TENSILE STRENGTH	210000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
SECOND DIAMETER FROM HEAD	0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
WIDTH ACROSS FLATS	0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.660 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNF

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