NSN 5306-00-638-4378

Part Details | MACHINE BOLT

5306-00-638-4378 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: 332C368P2, 332C368P2, 5306-00-638-4378, 00-638-4378, 5306006384378, 006384378

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-638-437801847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON EXTENDED WASHER

Cross Reference | NSN 5306-00-638-4378
Part Number Cage Code Manufacturer
332C368P224446GENERAL ELECTRIC COMPANY
332C368P207482GENERAL ELECTRIC COMPANYDBA GE
Technical Data | NSN 5306-00-638-4378
Characteristic Specifications
HEAD STYLE DOUBLE HEXAGON EXTENDED WASHER
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
NONSTANDARD THREAD PITCH DIAMETER+0.1644 TO +0.1667 INCHES
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.580 INCHES MINIMUM
FASTENER LENGTH1.220 INCHES MINIMUM AND 1.240 INCHES MAXIMUM
HEAD HEIGHT0.280 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
GRIP LENGTH0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD