273507520027178

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-523-9140

Item Name Code

35224

Assigment Date

09/18/2004 (21 years ago)

A combination of two valves, one a stop valve, the other a stop check valve, either in the same body, or in separate bodies bolted together, used to control the admission of feed water to a boiler, to prevent the return of water or steam from the boiler, and to provide a means of shutting off the feed line between the stop check valve and the steam drum or economizer.

nickel alloy material, stem item no. 5 on drawing 4-470, 5 inch model 54-241 scupper valve special features, scupper valve end item identification

Product Characteristics

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

End Item Identification: scupper valve
Special Features: stem item no. 5 on drawing 4-470, 5 inch model 54-241 scupper valve
Material: nickel alloy

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
273507520027178	Valve Disk
4-470-M21 5.0IN ITEM 3	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-01-523-9140?

The FSCG of the NSN 4820-01-523-9140 is 4820

Does the NSN 4820-01-523-9140 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-523-9140 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 4820-01-523-9140 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-523-9140 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 4820-01-523-9140 was assigned to the Federal Catalog?

It was assigned 21 years ago, on Sat, Sep 18, 2004