NSN 4730-00-277-5082

Part Details | TUBE FITTING LOCKNUT

4730-00-277-5082 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: AFP1058, AFP105-8, AN62898, AN6289-8, AN62898, AN6289-8, 4730002775082, AN62898, AN6289-8, MILF5509, AS517908, AS5179-08, AS5179, AS4841, BACN10DU8, 8176641, 4730-00-277-5082, 00-277-5082, 4730002775082, 002775082

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196100-277-508217645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-00-277-5082
Part Number Cage Code Manufacturer
AFP105-830974AEROFIT, LLC
AN6289-888044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN6289-822995CROWN FITTING CO INC
4730002775082SCY13E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES
AN6289-878385MEGGITT (TROY), INC.DIV MEGGITT PLC
MILF550981349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
AS5179-0881343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS517981343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS484181343SOCIETY OF AUTOMOTIVE ENGINEERS INC
BACN10DU881205THE BOEING COMPANYDBA BOEING
817664118876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 4730-00-277-5082
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE FITTING LOCKNUT
NUT HEIGHT0.350 INCHES NOMINAL
WIDTH ACROSS FLATS1.000 INCHES NOMINAL
PACKING RECESS DIAMETER0.920 INCHES NOMINAL
PACKING RECESS DEPTH0.042 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER0.5000 INCHES