4720-00-207-2249 HOSE ASSEMBLY,NONMETALLIC Index 5305-00-207-2254 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-207-2252

Federal Supply Class:
5306

National Item Identification Number:
002072252

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:
654104PC210001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
K711682PC224446GENERAL ELECTRIC COMPANY


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.046 INCHES MINIMUM AND 0.078 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM
FASTENER LENGTH0.640 INCHES MINIMUM AND 0.672 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
HEAD DIAMETER0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM
HEAD HEIGHT0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SECOND DIAMETER FROM HEAD0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM
WIDTH ACROSS FLATS0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THIRD DIAMETER FROM HEAD0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM
THREAD LENGTH0.218 INCHES MINIMUM AND 0.282 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH20


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