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4820-01-321-6443

Find complete technical information, availability, and procurement data for: 4820-01-321-6443

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4820-01-321-6443
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-321-6443
Item Name Code
22113
Assigment Date
06/20/1990 (36 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.

angular seating surface shape, steel corrosion resisting overall material

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
angular
Material
steel corrosion resisting 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
3S-5271-19 PART 2 Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-321-6443?
The FSCG of the NSN 4820-01-321-6443 is 4820
Does the NSN 4820-01-321-6443 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-321-6443 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 4820-01-321-6443 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-321-6443 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 4820-01-321-6443 was assigned to the Federal Catalog?
It was assigned 36 years ago, on Wed, Jun 20, 1990

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