4820-01-271-0947

Find complete technical information, availability, and procurement data for: 4820-01-271-0947
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-271-0947

Item Name Code

46201

Assigment Date

01/18/1988 (38 years ago)

825y; reduced backflow preventer; consist of 2 y pattern spring load check valvesw/differential pressure relief valve between them; inlet and outlet shutoff valves and 4 testcocks; bronze body,caps,relief valve body and cover; nitrile seat discs; fabric reinforced nitrile diaphragms; stainless steel springs; wear and corrosion resistant acetal internal moving parts; fully ported,non-rising stem bronze gate valves; maximum working pressure 175 psi; hydrostatic test pressure 350 psi; 32 to 180 deg. f temp. rrange; size 3/4 in.; overall length 11 1/4 in.; overall height 7 5/8 in. special features

Product Characteristics

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

Special Features: 825y; reduced backflow preventer; consist of 2 y pattern spring load check valvesw/differential pressure relief valve between them; inlet and outlet shutoff valves and 4 testcocks; bronze body,caps,relief valve body and cover; nitrile seat discs; fabric reinforced nitrile diaphragms; stainless steel springs; wear and corrosion resistant acetal internal moving parts; fully ported,non-rising stem bronze gate valves; maximum working pressure 175 psi; hydrostatic test pressure 350 psi; 32 to 180 deg. f temp. rrange; size 3/4 in.; overall length 11 1/4 in.; overall height 7 5/8 in.

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
825Y	Valve Assembly

FAQs

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

What is the FSCG of the NSN 4820-01-271-0947?

The FSCG of the NSN 4820-01-271-0947 is 4820

Does the NSN 4820-01-271-0947 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-271-0947 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 4820-01-271-0947 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-271-0947 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 4820-01-271-0947 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Mon, Jan 18, 1988