4820-01-251-4389

Find complete technical information, availability, and procurement data for: 4820-01-251-4389
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-251-4389

Item Name Code

22113

Assigment Date

03/19/1987 (39 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.

6 1/8 in. od; 1 1/4 in. thick; 4 3/4 in. center hole; for 5 in. number 30 pressure reducing valve; used in salt water service special features, nickel alloy body material

Product Characteristics

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

Special Features: 6 1/8 in. od; 1 1/4 in. thick; 4 3/4 in. center hole; for 5 in. number 30 pressure reducing valve; used in salt water service
Material: nickel alloy body

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
29757-42	Valve Seat
N-492 PL3318 PIECE 15	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-251-4389?

The FSCG of the NSN 4820-01-251-4389 is 4820

Does the NSN 4820-01-251-4389 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-251-4389 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 4820-01-251-4389 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-251-4389 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 4820-01-251-4389 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Mar 19, 1987