NSN 4730-00-441-1618

Part Details | TUBE FITTING LOCKNUT

4730-00-441-1618 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: MS518605, MS51860-5, MS5186005, MS51860-05, 3666805, 36668-05, 4730-00-441-1618, 00-441-1618, 4730004411618, 004411618

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47MAY 23, 197400-441-161817645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-00-441-1618
Part Number Cage Code Manufacturer
MS51860-596906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS51860-0596906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
36668-0581616YORK INDUSTRIES, INC.
Technical Data | NSN 4730-00-441-1618
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.562 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE FITTING LOCKNUT
NUT HEIGHT0.270 INCHES NOMINAL
WIDTH ACROSS FLATS0.688 INCHES NOMINAL
PACKING RECESS DIAMETER0.688 INCHES NOMINAL
PACKING RECESS DEPTH0.567 INCHES NOMINAL