NSN 4730-00-541-2173

Part Details | TUBE FITTING LOCKNUT

4730-00-541-2173 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: 10501488, 105-01488, MS219378H, MS21937-8H, 10501488, 105-01488, 7591009, 759-100-9, MS21937W8H, AS21937, AS18280, 4730-00-541-2173, 00-541-2173, 4730005412173, 005412173

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196100-541-217317645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-00-541-2173
Part Number Cage Code Manufacturer
105-0148879470DANA CORPWEATHERHEAD DIV
MS21937-8H96906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
105-0148814728PRECISION FORM RIVET INC
759-100-996182SAFRAN ELECTRONICS & DEFENSE,AVIONICS USA, LLC
MS21937W8H81343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS2193781343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS1828081343SOCIETY OF AUTOMOTIVE ENGINEERS INC
Technical Data | NSN 4730-00-541-2173
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE FITTING LOCKNUT
NUT HEIGHT0.333 INCHES NOMINAL
WIDTH ACROSS FLATS1.000 INCHES NOMINAL
PACKING RECESS DIAMETER0.875 INCHES NOMINAL
PACKING RECESS DEPTH0.156 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER0.500 INCHES