21-403-0008-4

View detailed technical data, stock status, and sourcing information for: 21-403-0008-4
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Federal Supply Group

Valves

Federal Supply Classification

4810 Powered Valves

National Stock Number

4810-01-331-2646

Item Name Code

10957

Assigment Date

12/15/1990 (35 years ago)

A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude valve, vacuum breaking.

4810-01-331-2646, line electro-mechanical actuator

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
01-435-0398-4 ASSY AO-05	Line Electro-Mechanical Actuator
21-403-0008-4	Line Electro-Mechanical Actuator
21-403-0008-4 NUMBER AO-05	Line Electro-Mechanical Actuator
AO-05	Line Electro-Mechanical Actuator

FAQs

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

What is the FSCG of the NSN 4810-01-331-2646?

The FSCG of the NSN 4810-01-331-2646 is 4810

Does the NSN 4810-01-331-2646 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4810-01-331-2646 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 4810-01-331-2646 contain precious materials?

Item does not contain precious metal.

Does NSN 4810-01-331-2646 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 4810-01-331-2646 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sat, Dec 15, 1990