4820-00-457-1588

Find complete technical information, availability, and procurement data for: 4820-00-457-1588
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-457-1588

Item Name Code

22113

Assigment Date

09/08/1969 (56 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

0.375 inches minimum and 0.395 inches maximum body inside diameter, flat seating surface shape, grooved seal accommodation type, 0.788 inches minimum and 0.792 inches maximum body outside diameter, 0.845 inches minimum and 0.855 inches maximum overall height

Product Characteristics

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

Overall Height: 0.845 inches minimum and 0.855 inches maximum
Body Outside Diameter: 0.788 inches minimum and 0.792 inches maximum
Body Inside Diameter: 0.375 inches minimum and 0.395 inches maximum
Seal Accommodation Type: grooved
Seating Surface Shape: flat
Material: plastic polytetrafluoroethylene 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
2-5021-1	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-457-1588?

The FSCG of the NSN 4820-00-457-1588 is 4820

Does the NSN 4820-00-457-1588 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-457-1588 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 4820-00-457-1588 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-457-1588 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 4820-00-457-1588 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Sep 8, 1969