NSN 4730-00-580-7451

Part Details | TUBE FITTING LOCKNUT

4730-00-580-7451 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: BACN10DU5D, 4730-00-580-7451, 00-580-7451, 4730005807451, 005807451

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196300-580-745117645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-00-580-7451
Part Number Cage Code Manufacturer
BACN10DU5D81205THE BOEING COMPANYDBA BOEING
Technical Data | NSN 4730-00-580-7451
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE FITTING LOCKNUT
WIDTH ACROSS FLATS0.746 INCHES MINIMUM AND 0.753 INCHES MAXIMUM
PACKING RECESS DIAMETER0.665 INCHES MINIMUM AND 0.675 INCHES MAXIMUM
PACKING RECESS DEPTH0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM
NOMINAL TUBE OUTSIDE DIAMETER0.313 INCHES
SPECIAL FEATURESTWO 0.046 IN. DIA LOCKWIRE HOLES SPACED 180 DEGREES APART THROUGH FLATS OR NUT