NSN 5306-00-944-2634

Part Details | MACHINE BOLT

5306-00-944-2634 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: MS2128031, MS21280-31, 5306-00-944-2634, 00-944-2634, 5306009442634, 009442634

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 01, 196600-944-263401847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON EXTENDED WASHER

Cross Reference | NSN 5306-00-944-2634
Part Number Cage Code Manufacturer
MS21280-3196906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5306-00-944-2634
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 LENGTH0.750 INCHES MINIMUM
FASTENER LENGTH2.375 INCHES NOMINAL
MINIMUM TENSILE STRENGTH130000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
GRIP LENGTH1.625 INCHES NOMINAL
FEATURES PROVIDED FINISHED HEAD
END ITEM IDENTIFICATIONSPEC ITEM