Product Details | TUBE FITTING LOCKNUT

4730-00-142-3063 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: 7970542, 4730-00-142-3063, 00-142-3063, 4730001423063, 001423063

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1963 00-142-3063

Drawings & Photos | NSN 4730-00-142-3063


Cross Reference | NSN 4730-00-142-3063

Part Number Cage Code Manufacturer
7970542 03776 ESCO INC
7970542 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
7970542 24892 YORDE MACHINE PRODUCTS CO

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Technical Data | NSN 4730-00-142-3063

Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE 1.312 INCHES
THREAD QUANTITY PER INCH 16
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM AND ZINC OVERALL
NUT STYLE A391 TUBE FITTING LOCKNUT
NUT HEIGHT 0.438 INCHES NOMINAL
WIDTH ACROSS FLATS 1.625 INCHES NOMINAL
PACKING RECESS DIAMETER 1.536 INCHES MINIMUM AND 1.546 INCHES MAXIMUM
PACKING RECESS DEPTH 0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM
NOMINAL TUBE OUTSIDE DIAMETER 1.000 INCHES

Restrictions/Controls & Freight Information | NSN 4730-00-142-3063

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.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 052190 PIPE,TUBING,OR PIPE OR TUBING FITTI
Less than car load rating U 50
Less than truck load rating W Rating Variable
Water commodity Code 576 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable