NSN 5306-00-797-6257

Part Details | MACHINE BOLT

5306-00-797-6257 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: 413572, 5306-00-797-6257, 00-797-6257, 5306007976257, 007976257

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196200-797-625701847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

Cross Reference | NSN 5306-00-797-6257
Part Number Cage Code Manufacturer
41357277445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5306-00-797-6257
Characteristic Specifications
HEAD STYLE4 UNDERCUT HEXAGON
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.576 INCHES MINIMUM AND 0.656 INCHES MAXIMUM
FASTENER LENGTH2.555 INCHES MINIMUM AND 2.595 INCHES MAXIMUM
HEAD DIAMETER0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
HEAD HEIGHT0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD
SPECIAL FEATURESEXTENDED DIA ON HEAD 0.500 IN. DIA BY 1.000 IN. LG