MV-38S-1/2

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-263-0021

Item Name Code

05487

Assigment Date

09/09/1987 (38 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.

socket (pipe) all ends connection style, disk flow control device, 0.500 inches all ends nominal pipe size accommodated, weight disk loading method, automatic valve operation method

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: 0.500 inches all ends
Flow Control Device: disk
Disk Loading Method: weight
Connection Style: socket (pipe) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Mounting Position: horizontal
Special Features: swing check type
Material: steel body
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru

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
38SFS-2 1/2IN.	Check Valve
MV-38S-1/2	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-263-0021?

The FSCG of the NSN 4820-01-263-0021 is 4820

Does the NSN 4820-01-263-0021 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-263-0021 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 4820-01-263-0021 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-263-0021 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 4820-01-263-0021 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Wed, Sep 9, 1987