NSN 4730-00-540-2016

Part Details | TUBE FITTING LOCKNUT

4730-00-540-2016 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: AN6289J3, AN6289C3, AN62893C, AN6289-3C, GA7747, AS5179J03, 4730-00-540-2016, 00-540-2016, 4730005402016, 005402016

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196100-540-201617645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-00-540-2016
Part Number Cage Code Manufacturer
AN6289J388044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN6289C388044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN6289-3C99237AIRFORCE-NAVY AERONAUTICAL DESIGNSTANDARD
GA774786329PARKER-HANNIFIN CORPORATIONDBA GAS TURBINE FUEL SYSTEMS
AS5179J0381343SOCIETY OF AUTOMOTIVE ENGINEERS INC
Technical Data | NSN 4730-00-540-2016
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE FITTING LOCKNUT
WIDTH ACROSS FLATS0.621 INCHES MINIMUM AND 0.628 INCHES MAXIMUM
PACKING RECESS DIAMETER0.546 INCHES NOMINAL
PACKING RECESS DEPTH0.037 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER0.188 INCHES