NSN 4730-00-009-5261

Part Details | TUBE FITTING LOCKNUT

4730-00-009-5261 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: AN6289D32, AN6289D32, AN6289D32, AN6289D32, AN6289D32, AN6289D32, AN6289D32, 4730-00-009-5261, 00-009-5261, 4730000095261, 000095261

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47AUG 04, 197200-009-526117645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-00-009-5261
Part Number Cage Code Manufacturer
AN6289D3288044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN6289D3206581ALLAN AIRCRAFT SUPPLY CO, LLC
AN6289D3222995CROWN FITTING CO INC
AN6289D3214798DESIGNED METAL CONNECTIONS, INC.DBA PERMASWAGE USA
AN6289D3200624EATON-AEROQUIP LLC.DBA AEROSPACE GROUP
AN6289D3214397FABER ENTERPRISES, INC.DIV FABER ENTERPRISE INC
AN6289D3213899HYDRO FITTING MANUFACTURINGCORPORATION
Technical Data | NSN 4730-00-009-5261
Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE2.500 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE FITTING LOCKNUT
WIDTH ACROSS FLATS2.813 INCHES NOMINAL
PACKING RECESS DIAMETER2.728 INCHES NOMINAL
PACKING RECESS DEPTH0.054 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER2.000 INCHES