NSN 5306-00-084-3318

Part Details | MACHINE BOLT

5306-00-084-3318 An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.

Alternate Parts: J644P21A, J644P21A, 5306-00-084-3318, 00-084-3318, 5306000843318, 000843318

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 26, 197400-084-331801847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON EXTENDED WASHER

Cross Reference | NSN 5306-00-084-3318
Part Number Cage Code Manufacturer
J644P21A58828CFM INTERNATIONAL, INC.
J644P21A07482GENERAL ELECTRIC COMPANYDBA GE
Technical Data | NSN 5306-00-084-3318
Characteristic Specifications
HEAD STYLE DOUBLE HEXAGON EXTENDED WASHER
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.740 INCHES MINIMUM AND 0.820 INCHES MAXIMUM
FASTENER LENGTH1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM
HEAD HEIGHT0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.312 INCHES NOMINAL
EXTENDED WASHER DIAMETER0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
GRIP LENGTH0.690 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD