4820-00-144-1788

Find complete technical information, availability, and procurement data for: 4820-00-144-1788
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-144-1788

Item Name Code

22113

Assigment Date

01/19/1973 (53 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.

0.168 inches minimum and 0.169 inches maximum overall height, 0.203 inches minimum and 0.206 inches maximum body outside diameter, 0.107 inches minimum and 0.109 inches maximum body inside diameter

Product Characteristics

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

Overall Height: 0.168 inches minimum and 0.169 inches maximum
Body Outside Diameter: 0.203 inches minimum and 0.206 inches maximum
Body Inside Diameter: 0.107 inches minimum and 0.109 inches maximum

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
331494	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-144-1788?

The FSCG of the NSN 4820-00-144-1788 is 4820

Does the NSN 4820-00-144-1788 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-144-1788 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-00-144-1788 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-144-1788 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 4820-00-144-1788 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Fri, Jan 19, 1973