4820-00-343-5951

Find complete technical information, availability, and procurement data for: 4820-00-343-5951
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-343-5951

Item Name Code

22113

Assigment Date

01/01/1963 (63 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.

1.813 inches nominal body inside diameter, 30.000 nominal seat angle in deg, 0.438 inches nominal single threaded portion thread length, 0.438 inches nominal overall height, 2.250 inches single threaded portion nominal thread size

Product Characteristics

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

Thread Length: 0.438 inches nominal single threaded portion
Overall Height: 0.438 inches nominal
Body Inside Diameter: 1.813 inches nominal
Seat Angle In Deg: 30.000 nominal
Nominal Thread Size: 2.250 inches single threaded portion
Seating Surface Shape: angular
Special Features: 2a thd class,right-hand thd
Material: steel overall
Style Designator: plain threaded
Thread Series Designator: npt single threaded portion

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
12513A	Valve Seat
2312FPC2	Valve Seat
2722FPC2	Valve Seat
4101FPC2	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-343-5951?

The FSCG of the NSN 4820-00-343-5951 is 4820

Does the NSN 4820-00-343-5951 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-343-5951 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 4820-00-343-5951 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-343-5951 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 4820-00-343-5951 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963