4820-01-646-0746

Find complete technical information, availability, and procurement data for: 4820-01-646-0746
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-646-0746

Item Name Code

33858

Assigment Date

07/13/2015 (11 years ago)

A device consisting of a facepiece which partially covers the face, having a breathing tube and a coupling for connecting to a regulated supply of oxygen. The device may be of the rebreathing type or of the demand type and may be used for rescue operation or to supply the wearer with oxygen when flying at high altitudes. It may include regulating device(s) but does not include oxygen cylinder(s). Excludes:mask, oronasal.

4820-01-646-0746, check valve parts kit

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4320-01-619-5971	No Name Available	04/01/2023

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
3750-931-001	Check Valve Parts Kit

FAQs

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

What is the FSCG of the NSN 4820-01-646-0746?

The FSCG of the NSN 4820-01-646-0746 is 4820

Does the NSN 4820-01-646-0746 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-646-0746 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 4820-01-646-0746 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-646-0746 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 4820-01-646-0746 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Mon, Jul 13, 2015