NSN 4730-01-213-4182

Part Details | TUBE FITTING LOCKNUT

4730-01-213-4182 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: N20520A, N20520A, 4730-01-213-4182, 01-213-4182, 4730012134182, 012134182

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JUL 26, 198501-213-418217645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4730-01-213-4182
Part Number Cage Code Manufacturer
N20520A08118EATON AVIATION CORPORATION
N20520A00624EATON-AEROQUIP LLC.DBA AEROSPACE GROUP
Technical Data | NSN 4730-01-213-4182
Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE2.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT HEIGHT0.406 INCHES NOMINAL
HOLE TYPE AND QUANTITY8 DRILLED
NOMINAL TUBE OUTSIDE DIAMETER2.000 INCHES
SPECIAL FEATURESDYED BLUE
END ITEM IDENTIFICATIONUSED ON AIRFRAME