NSN 4730-00-277-5077

Part Details | TUBE FITTING LOCKNUT

4730-00-277-5077 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: AFP105D12, AN6289W12, AN6289D12, AN6289D12, AN6289D12, AN6289D12, AN6289D12, AN6289D12, 137618164, 1376-18-164, MILF5509, AN6289D12, AS5179D12, AS5179, AS4841, BACN10DU12D, 8176644, 8176640, 4730-00-277-5077, 00-277-5077, 4730002775077, 002775077

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196100-277-507717645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-00-277-5077
Part Number Cage Code Manufacturer
AFP105D1230974AEROFIT, LLC
AN6289W1288044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN6289D1288044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN6289D1271563COLLINS ENGINEERING CORP
AN6289D1222995CROWN FITTING CO INC
AN6289D1214798DESIGNED METAL CONNECTIONS, INC.DBA PERMASWAGE USA
AN6289D1200624EATON-AEROQUIP LLC.DBA AEROSPACE GROUP
AN6289D1214397FABER ENTERPRISES, INC.DIV FABER ENTERPRISE INC
1376-18-164A0199LEONARDO S.P.A. DIVISIONE SISTEMIDIDIFESA
MILF550981349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
AN6289D12R1120SATAIR A/S
AS5179D1281343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS517981343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS484181343SOCIETY OF AUTOMOTIVE ENGINEERS INC
BACN10DU12D81205THE BOEING COMPANYDBA BOEING
817664418876U S ARMY AVIATION AND MISSILECOMMAND
817664018876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 4730-00-277-5077
Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE1.062 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE FITTING LOCKNUT
NUT HEIGHT0.435 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