NSN 5306-00-263-8957

Part Details | MACHINE BOLT

5306-00-263-8957 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: 4274, 4274, WPP324, 5306-00-263-8957, 00-263-8957, 5306002638957, 002638957

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-263-895701847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

DOUBLE HEXAGON FLATS

Cross Reference | NSN 5306-00-263-8957
Part Number Cage Code Manufacturer
427454108D & J PARTS INC
42740ATF2L & L BOILER MAINTENANCE INC
WPP32479172SIEMENS WATER TECHNOLOGIES CORP.DIV WALLACE & TIERNAN PRODUCTS
Technical Data | NSN 5306-00-263-8957
Characteristic Specifications
HEAD STYLE3 HEXAGON
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.812 INCHES MINIMUM
FASTENER LENGTH0.938 INCHES NOMINAL
HEAD HEIGHT0.438 INCHES NOMINAL
WIDTH BETWEEN FLATS0.375 INCHES NOMINAL
HOLE CONFIGURATION STYLE5 DOUBLE HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY1
HOLE DIAMETER0.063 INCHES NOMINAL
FEATURES PROVIDED UNFINISHED HEAD