Product Details | TUBE FITTING LOCKNUT

4730-01-503-7723 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: 11467651-2, 4730-01-503-7723, 01-503-7723, 4730015037723, 114676512, 015037723

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

Supply Group (FSG) NSN Assign. NIIN
47 07 JAN 2003 01-503-7723

Drawings & Photos | NSN 4730-01-503-7723


Cross Reference | NSN 4730-01-503-7723

Part Number Cage Code Manufacturer
11467651-2 18876 U S ARMY AVIATION AND MISSILE COMMAND

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Technical Data | NSN 4730-01-503-7723

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.438 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL CORROSION RESISTING OVERALL
NUT STYLE A391 TUBE FITTING LOCKNUT
NUT HEIGHT 0.310 INCHES NOMINAL
WIDTH ACROSS FLATS 1.000 INCHES NOMINAL
PACKING RECESS DIAMETER 1.000 INCHES NOMINAL
PACKING RECESS DEPTH ANY ACCEPTABLE
LUBRICATION DRY FILM LUBRICANT
NOMINAL TUBE OUTSIDE DIAMETER 0.500 INCHES

Restrictions/Controls & Freight Information | NSN 4730-01-503-7723

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
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information