NSN 4730-00-455-2128

Part Details | TUBE FITTING LOCKNUT

4730-00-455-2128 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: 354181, 4730-00-455-2128, 00-455-2128, 4730004552128, 004552128

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47APR 23, 196900-455-212817645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-00-455-2128
Part Number Cage Code Manufacturer
35418162983EATON AEROSPACE LLC
Technical Data | NSN 4730-00-455-2128
Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE1.063 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE FITTING LOCKNUT
NUT HEIGHT0.437 INCHES NOMINAL
WIDTH ACROSS FLATS1.375 INCHES NOMINAL
PACKING RECESS DIAMETER1.290 INCHES MINIMUM AND 1.300 INCHES MAXIMUM
PACKING RECESS DEPTH0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM
NOMINAL TUBE OUTSIDE DIAMETER0.750 INCHES