4730-01-225-6876

Find complete technical information, availability, and procurement data for: 4730-01-225-6876
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

National Stock Number

4730-01-225-6876

Item Name Code

08506

Assigment Date

02/06/1986 (40 years ago)

A device designed to be connected to a drainage system to prevent sewer gas from backing up beyond a desired point by forming a water seal in the line. This is accomplished by its peculiar shape, which is usually in the form of the letter p and s. It is provided with an internal shoulder(s) at the end(s) of its internal threaded or unthreaded portion, whose inside diameter conforms to standard weight wrought iron pipe or copper drainage, waste and vent (dwv) tube. When connected, the mating pipes make up close to the shoulders to eliminate pockets and provide a smooth flow of pipe and/or pipe fitting contents. Excludes:trap, drain, plumbing fixture; and trap, soil pipe.

threaded external tube all ends connection type, 0.500 inches 2nd end nominal thread size, concentric reducer type, flareless (tube) all ends connection style, 2a all ends thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a all ends
Reducer Type: concentric
Connection Style: flareless (tube) all ends
Connection Type: threaded external tube all ends
Nominal Thread Size: 0.500 inches 2nd end
Nominal Thread Size: 0.750 inches 1st end
Seat Angle: 45.0 degrees all ends
Nominal Outside Diameter Tube Accommodated: 0.250 inches 2nd end
Nominal Outside Diameter Tube Accommodated: 0.500 inches 1st end
Nominal Overall Length: 1.875 inches
Material: copper alloy overall
Thread Series Designator: unf all ends
Furnished Items And Quantity: 2 tube coupling nut w/sleeve

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
756-FB-04X08	Tube Reducer
756-FB08X04	Tube Reducer

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4730-01-225-6876?

The FSCG of the NSN 4730-01-225-6876 is 4730

Does the NSN 4730-01-225-6876 have a Schedule B code assigned?

Yes, the Schedule B code is 7412200000

Does NSN 4730-01-225-6876 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4730-01-225-6876 contain precious materials?

Item does not contain precious metal.

Does NSN 4730-01-225-6876 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4730-01-225-6876 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Thu, Feb 6, 1986