NSN 4730-01-044-7103

Part Details | TUBE FITTING LOCKNUT

4730-01-044-7103 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: MS5186013, MS51860-13, 4730-01-044-7103, 01-044-7103, 4730010447103, 010447103

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JUL 18, 197701-044-710317645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4730-01-044-7103
Part Number Cage Code Manufacturer
MS51860-1396906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 4730-01-044-7103
Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE2.500 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS2B
THREAD DIRECTION RIGHT-HAND
WIDTH ACROSS FLATS2.750 INCHES NOMINAL
PACKING RECESS DIAMETER2.625 INCHES NOMINAL
PACKING RECESS DEPTH0.094 INCHES NOMINAL