NSN 4730-00-277-6374

Part Details | TUBE FITTING LOCKNUT

4730-00-277-6374 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: AN62893, AN6289-3, AN62893, AN6289-3, AN62893, AN6289-3, AN62893, AN6289-3, AN62893, AN6289-3, AN62893, AN6289-3, AN62893, AN6289-3, AS517903, AS5179-03, AS5179, AS4841, 4730-00-277-6374, 00-277-6374, 4730002776374, 002776374

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196100-277-637417645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-00-277-6374
Part Number Cage Code Manufacturer
AN6289-334724ACRA AEROSPACE INC
AN6289-388044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN6289-306581ALLAN AIRCRAFT SUPPLY CO, LLC
AN6289-371563COLLINS ENGINEERING CORP
AN6289-322995CROWN FITTING CO INC
AN6289-300624EATON-AEROQUIP LLC.DBA AEROSPACE GROUP
AN6289-314397FABER ENTERPRISES, INC.DIV FABER ENTERPRISE INC
AS5179-0381343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS517981343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS484181343SOCIETY OF AUTOMOTIVE ENGINEERS INC
Technical Data | NSN 4730-00-277-6374
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
NUT HEIGHT0.250 INCHES NOMINAL
WIDTH ACROSS FLATS0.625 INCHES NOMINAL
PACKING RECESS DIAMETER0.546 INCHES NOMINAL
PACKING RECESS DEPTH0.037 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER0.188 INCHES
SPECIFICATION/STANDARD DATA88044-AN6289 GOVERNMENT STANDARD
END ITEM IDENTIFICATIONAIRCRAFT APLICATIONS