NSN 4730-00-879-8568

Part Details | TUBE FITTING LOCKNUT

4730-00-879-8568 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: 5161414593PC287, 516-1414593PC287, 4730-00-879-8568, 00-879-8568, 4730008798568, 008798568

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196200-879-856817645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-00-879-8568
Part Number Cage Code Manufacturer
516-1414593PC28781316PORTSMOUTH NAVAL SHIPYARD
Technical Data | NSN 4730-00-879-8568
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE FITTING LOCKNUT
WIDTH ACROSS FLATS1.000 INCHES NOMINAL
PACKING RECESS DIAMETER0.920 INCHES NOMINAL
PACKING RECESS DEPTH0.042 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER0.500 INCHES