NSN 4730-00-612-9491

Part Details | TUBE FITTING LOCKNUT

4730-00-612-9491 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: 2977571, 29-7757-1, 4730-00-612-9491, 00-612-9491, 4730006129491, 006129491

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196300-612-949117645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4730-00-612-9491
Part Number Cage Code Manufacturer
29-7757-182918BOEING COMPANY, THEDBA BOEING
Technical Data | NSN 4730-00-612-9491
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
WIDTH ACROSS FLATS1.000 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER0.500 INCHES