90090000

View detailed technical data, stock status, and sourcing information for: 90090000
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-125-9746

Item Name Code

05487

Assigment Date

02/03/1982 (44 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.

0.250 inches all ends nominal pipe size accommodated, automatic valve operation method, streamlined with one brazing ring (pipe) all ends connection style, disk flow control device, 300.0 fahrenheit single response maximum operating temp

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.250 inches all ends
Flow Control Device: disk
Maximum Operating Temp: 300.0 fahrenheit single response
Connection Style: streamlined with one brazing ring (pipe) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Mounting Position: horizontal
Maximum Operating Pressure: 700.0 pounds per square inch single response
Material: nickel alloy body
Media For Which Designed: water, fresh single response
Style Designator: straight thru

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-182-0777	No Name Available	04/01/1997

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
90090000	Check Valve
90090002	Check Valve
NS-4038 ASSY A	Check Valve
NS4038 ASSEMBLY A 1IN	Check Valve
SS845-2110235 AY.8DA	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-125-9746?

The FSCG of the NSN 4820-01-125-9746 is 4820

Does the NSN 4820-01-125-9746 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-01-125-9746 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 4820-01-125-9746 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-125-9746 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 4820-01-125-9746 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, Feb 3, 1982