NSN 4730-00-277-5088

Part Details | TUBE FITTING LOCKNUT

4730-00-277-5088 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: AN628932, AN6289-32, AN628932, AN6289-32, 4730-00-277-5088, 00-277-5088, 4730002775088, 002775088

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196300-277-508817645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-00-277-5088
Part Number Cage Code Manufacturer
AN6289-3288044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN6289-3214397FABER ENTERPRISES, INC.DIV FABER ENTERPRISE INC
Technical Data | NSN 4730-00-277-5088
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
NUT HEIGHT0.438 INCHES NOMINAL
WIDTH ACROSS FLATS2.812 INCHES NOMINAL
PACKING RECESS DIAMETER2.728 INCHES NOMINAL
PACKING RECESS DEPTH0.054 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER2.000 INCHES
SPECIFICATION/STANDARD DATA88044-AN6289 GOVERNMENT STANDARD