D-1994 PIECE 13 2IN

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-091-8053

Item Name Code

22113

Assigment Date

03/13/1980 (46 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.

plain style designator, flat seating surface shape, steel corrosion resisting overall material, 25.0 rockwell c minimum and 30.0 rockwell c maximum body hardness rating, 2.000 inches nominal 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.

Body Inside Diameter: 2.000 inches nominal
Hardness Rating: 25.0 rockwell c minimum and 30.0 rockwell c maximum body
Seating Surface Shape: flat
Material: steel corrosion resisting overall
Style Designator: plain

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
D-1994 13 2IN	Valve Seat
D-1994 PIECE 13 2IN	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-091-8053?

The FSCG of the NSN 4820-01-091-8053 is 4820

Does the NSN 4820-01-091-8053 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-091-8053 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 4820-01-091-8053 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-091-8053 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 4820-01-091-8053 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Thu, Mar 13, 1980