1656121-1

View detailed technical data, stock status, and sourcing information for: 1656121-1
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-648-3633

Item Name Code

37940

Assigment Date

09/22/2015 (10 years ago)

A material whose thickness is small in comparison to its length and width, and which is specifically designed to prevent any undesirable flow of current between a conductor(s) and/or other objects. Excludes:items which do not have definite rated electrical characteristics. Excludes:insulation cloth, electrical; insulation tape, electrical and plastic sheet. For electrical insulation sheets fabricated for a specific application, see insulator (as modified).

valve assy, slide part name assigned by controlling agency, oxygen generating system (obogs) for t-50 aircraft; 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: oxygen generating system (obogs) for t-50 aircraft;
Part Name Assigned By Controlling Agency: valve assy, slide

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
1656121-1	Oxygen System P Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-648-3633?

The FSCG of the NSN 4820-01-648-3633 is 4820

Does the NSN 4820-01-648-3633 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-648-3633 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 4820-01-648-3633 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-648-3633 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 4820-01-648-3633 was assigned to the Federal Catalog?

It was assigned 10 years ago, on Tue, Sep 22, 2015