Product Details | TUBE FITTING LOCKNUT

4730-01-005-3880 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.

Part Alternates: 4730-01-005-3880, 01-005-3880, 4730010053880, 010053880

Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings

Supply Group (FSG) NSN Assign. NIIN
47 01-005-3880

Drawings & Photos | NSN 4730-01-005-3880


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Technical Data | NSN 4730-01-005-3880

Characteristic Specifications
THREAD SERIES NPSL
NOMINAL THREAD SIZE 0.250 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OVERALL
NUT STYLE A391 TUBE FITTING LOCKNUT
NUT HEIGHT 0.250 INCHES NOMINAL
WIDTH ACROSS FLATS 0.937 INCHES NOMINAL
PACKING RECESS DIAMETER ANY ACCEPTABLE
PACKING RECESS DEPTH 0.050 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER 0.312 INCHES

Restrictions/Controls & Freight Information | NSN 4730-01-005-3880

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information