NSN 4730-00-453-6188

Part Details | TUBE FITTING LOCKNUT

4730-00-453-6188 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: AN6289J6, 4730-00-453-6188, 00-453-6188, 4730004536188, 004536188

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47APR 16, 196900-453-618817645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-00-453-6188
Part Number Cage Code Manufacturer
AN6289J688044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
Technical Data | NSN 4730-00-453-6188
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE0.562 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE FITTING LOCKNUT
NUT HEIGHT0.813 INCHES NOMINAL
WIDTH ACROSS FLATS0.809 INCHES MINIMUM AND 0.816 INCHES MAXIMUM
PACKING RECESS DIAMETER0.728 INCHES MINIMUM AND 0.738 INCHES MAXIMUM
PACKING RECESS DEPTH0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM
NOMINAL TUBE OUTSIDE DIAMETER0.375 INCHES
SPECIFICATION/STANDARD DATA88044-AN818 GOVERNMENT STANDARD