4820-01-158-4180

Find complete technical information, availability, and procurement data for: 4820-01-158-4180
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-158-4180

Item Name Code

05487

Assigment Date

07/22/1983 (43 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

right-hand 1st end thread direction, 250.0 fahrenheit single response maximum operating temp, plain (pipe) 1st end connection style, 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 Direction: right-hand 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 250.0 pounds per square inch single response
Nominal Thread Size: 0.125 inches 1st end
Material: copper alloy body
Material: steel corrosion resisting flow control device
Style Designator: straight thru
Thread Series Designator: npt 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
2249B-1MM	Check Valve
A047900007	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-158-4180?

The FSCG of the NSN 4820-01-158-4180 is 4820

Does the NSN 4820-01-158-4180 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-158-4180 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 4820-01-158-4180 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-158-4180 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 4820-01-158-4180 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Fri, Jul 22, 1983