NSN 5306-01-157-6908

Part Details | MACHINE BOLT

5306-01-157-6908 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: 564545, 5306-01-157-6908, 01-157-6908, 5306011576908, 011576908

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 11, 198301-157-690801847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-01-157-6908
Part Number Cage Code Manufacturer
56454577445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5306-01-157-6908
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.625 INCHES NOMINAL
FASTENER LENGTH0.635 INCHES NOMINAL
HEAD HEIGHT0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.437 INCHES NOMINAL
END ITEM IDENTIFICATIONUSED ON PRATT AND WHITNEY GAS TURBINE ENGINE ONBOARD 378 FT WHEC AND 400 WAGB COAST GUARD VESSELS