8490SS

View detailed technical data, stock status, and sourcing information for: 8490SS
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 8490SS to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-451-0308

Item Name Code

22113

Assigment Date

05/10/1971 (55 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

steel comp 303 overall material, flat seating surface shape

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Seating Surface Shape: flat
Material: steel comp 303 overall

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
8490SS	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-451-0308?

The FSCG of the NSN 4820-00-451-0308 is 4820

Does the NSN 4820-00-451-0308 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-451-0308 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 4820-00-451-0308 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-451-0308 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 4820-00-451-0308 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, May 10, 1971