NSN 4730-00-281-1330

Part Details | TUBE FITTING LOCKNUT

4730-00-281-1330 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: 4730002811330, 7528659, 7528659, 4730-00-281-1330, 00-281-1330, 4730002811330, 002811330

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196300-281-133017645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-00-281-1330
Part Number Cage Code Manufacturer
4730002811330SCY13E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES
752865920800ORDNANCE PARTS AND ENGINEERING CO
752865919207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 4730-00-281-1330
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS2B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE FITTING LOCKNUT
NUT HEIGHT0.300 INCHES NOMINAL
WIDTH ACROSS FLATS0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM
PACKING RECESS DIAMETER0.915 INCHES MINIMUM AND 0.925 INCHES MAXIMUM
PACKING RECESS DEPTH0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM
NOMINAL TUBE OUTSIDE DIAMETER0.500 INCHES