NSN 4730-01-195-3404

Part Details | TUBE FITTING LOCKNUT

4730-01-195-3404 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: 75B6900002001, 75B690000-2001, 4730-01-195-3404, 01-195-3404, 4730011953404, 011953404

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47NOV 28, 198401-195-340417645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-01-195-3404
Part Number Cage Code Manufacturer
75B690000-200176301BOEING COMPANY, THEDBA BOEING
Technical Data | NSN 4730-01-195-3404
Characteristic Specifications
THREAD SERIES UNJS
NOMINAL THREAD SIZE0.562 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE FITTING LOCKNUT
NUT HEIGHT0.202 INCHES NOMINAL
WIDTH ACROSS FLATS0.812 INCHES NOMINAL
PACKING RECESS DIAMETER0.578 INCHES NOMINAL
FABRICATION METHOD MACHINED
NOMINAL TUBE OUTSIDE DIAMETER0.375 INCHES
SPECIAL FEATURESLUBRICANT DRY FILM OVERALL