4820-01-304-2651

Find complete technical information, availability, and procurement data for: 4820-01-304-2651
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-304-2651

Item Name Code

22113

Assigment Date

07/14/1989 (37 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.

0.223 inches nominal overall height, nickel alloy 400 overall material, 7.676 inches nominal body inside diameter, 8.625 inches nominal body outside diameter, flat seating surface shape

Product Characteristics

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

Overall Height: 0.223 inches nominal
Body Outside Diameter: 8.625 inches nominal
Body Inside Diameter: 7.676 inches nominal
Seating Surface Shape: flat
Material: nickel alloy 400 overall
Style Designator: plain

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4810-01-399-0950	No Name Available	10/01/2006

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
2498-00-313-24,SZ-8,TY-III	Valve Seat
NC394312	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-304-2651?

The FSCG of the NSN 4820-01-304-2651 is 4820

Does the NSN 4820-01-304-2651 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-304-2651 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 4820-01-304-2651 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-304-2651 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 4820-01-304-2651 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Fri, Jul 14, 1989