NSN 4730-01-174-3578

Part Details | TUBE FITTING LOCKNUT

4730-01-174-3578 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: AN6289W12, AS5179W12, AS5179, 4730-01-174-3578, 01-174-3578, 4730011743578, 011743578

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47MAR 16, 198401-174-357817645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-01-174-3578
Part Number Cage Code Manufacturer
AN6289W1288044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AS5179W1281343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS517981343SOCIETY OF AUTOMOTIVE ENGINEERS INC
Technical Data | NSN 4730-01-174-3578
Characteristic Specifications
THREAD SERIES UNJ
NOMINAL THREAD SIZE1.062 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE FITTING LOCKNUT
NUT HEIGHT0.438 INCHES NOMINAL
WIDTH ACROSS FLATS1.375 INCHES NOMINAL
PACKING RECESS DIAMETER1.295 INCHES NOMINAL
PACKING RECESS DEPTH0.054 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER0.750 INCHES
SPECIFICATION/STANDARD DATA88044-AN6289 GOVERNMENT STANDARD