4820-01-122-4221

Find complete technical information, availability, and procurement data for: 4820-01-122-4221
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-122-4221

Item Name Code

05487

Assigment Date

11/20/1981 (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.

unthreaded internal pipe all ends connection type, 1.000 inches all ends nominal pipe size accommodated, horizontal or vertical mounting position, automatic valve operation method, socket with brazing ring (pipe) all ends connection style

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: 1.000 inches all ends
Connection Style: socket with brazing ring (pipe) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Mounting Position: horizontal or vertical
Material: copper alloy 922 body
Material: nickel alloy 400 seat
Material: nickel alloy 400 stem
Material: rubber synthetic flow control device
Material Document And Classification: qq-n-281 fed spec single material response seat
Material Document And Classification: qq-n-281 fed spec single material response stem
Material Document And Classification: qq-c-390,alloy d4/d fed spec single material response body
Style Designator: straight thru
Supplementary Features: flow control device: diaphragm

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
73888 1 INCH 8/M	Check Valve
73888 REVA CDSH 97772 REVB	Check Valve
73888A	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-122-4221?

The FSCG of the NSN 4820-01-122-4221 is 4820

Does NSN 4820-01-122-4221 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 4820-01-122-4221 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-122-4221 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 4820-01-122-4221 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Fri, Nov 20, 1981