NSN 4730-00-480-1851

Part Details | TUBE FITTING LOCKNUT

4730-00-480-1851 An item with internal machine threads designed to fit the external machine threads of a tube fitting. It has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. The item, when installed, provides a method of locking and sealing the connection. See also LOCKNUT, PIPE; NUT (1), TUBE COUPLING and NUT (1), PLAIN, HEXAGON.

Alternate Parts: 23038031, 2303803-1, 2303803, B1224P4, B122-4P4, 4730-00-480-1851, 00-480-1851, 4730004801851, 004801851

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JUN 12, 197400-480-185117645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-00-480-1851
Part Number Cage Code Manufacturer
2303803-153711NAVAL SEA SYSTEMS COMMAND
230380353711NAVAL SEA SYSTEMS COMMAND
B122-4P495208PARKER-HANNIFIN CORPORATIONDIV CYLINDER DIVISION
Technical Data | NSN 4730-00-480-1851
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.562 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE FITTING LOCKNUT
NUT HEIGHT0.222 INCHES NOMINAL
WIDTH ACROSS FLATS0.750 INCHES NOMINAL
PACKING RECESS DIAMETER0.625 INCHES NOMINAL
PACKING RECESS DEPTH0.125 INCHES NOMINAL
FABRICATION METHOD MACHINED
NOMINAL TUBE OUTSIDE DIAMETER0.375 INCHES
END ITEM IDENTIFICATIONA2N TORPEDO, MK 48