NSN 4730-01-357-5400

Part Details | TUBE FITTING LOCKNUT

4730-01-357-5400 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: NAS14106, NAS1410-6, 4730-01-357-5400, 01-357-5400, 4730013575400, 013575400

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47APR 25, 199201-357-540017645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-01-357-5400
Part Number Cage Code Manufacturer
NAS1410-680205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 4730-01-357-5400
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE0.563 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE FITTING LOCKNUT
NUT HEIGHT0.359 INCHES NOMINAL
WIDTH ACROSS FLATS0.813 INCHES NOMINAL
PACKING RECESS DIAMETER0.678 INCHES NOMINAL
PACKING RECESS DEPTH0.104 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER0.375 INCHES