4820-00-461-1544

Find complete technical information, availability, and procurement data for: 4820-00-461-1544
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-461-1544

Item Name Code

05487

Assigment Date

01/26/1970 (56 years ago)

A straight pipe fitting having a different size connection on each end. It is designed to join two pipes of different sizes or two pipe fittings of different sizes. Excludes:bushing (as modified).

3a 1st end thread class, right-hand 1st end thread direction, pressed-in renewable seat ring type, poppet flow control device, spring disk loading method

Product Characteristics

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

Thread Class: 3a 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Renewable Seat Ring Type: pressed-in
Connection Style: external seat for gasket seal (boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded external boss 1st end
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 1st end
Maximum Operating Pressure: 6000.0 pounds per square inch single response
Nominal Thread Size: 1.188 inches 1st end
Nominal Outside Diameter Tube Accommodated: 0.875 inches 1st end
Material: copper alloy body
Material: nickel alloy seat
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru
Thread Series Designator: un 1st end

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
123-1	Check Valve
513876-1	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-461-1544?

The FSCG of the NSN 4820-00-461-1544 is 4820

Does the NSN 4820-00-461-1544 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-00-461-1544 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 4820-00-461-1544 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-461-1544 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 4820-00-461-1544 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Jan 26, 1970