261-01

View detailed technical data, stock status, and sourcing information for: 261-01
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-200-0835

Item Name Code

22113

Assigment Date

01/30/1985 (41 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.

copper alloy or nickel alloy overall material, plain style designator

Product Characteristics

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

Material: copper alloy or nickel alloy 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Below is a list of NSNs that have been officially superseded by this NSN: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
4820-01-282-8516	No Name Available	01/01/2008

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
261-01	Valve Seat
40205 PIECE 19	Valve Seat
40473 PIECE 19	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-200-0835?

The FSCG of the NSN 4820-01-200-0835 is 4820

Does the NSN 4820-01-200-0835 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-200-0835 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 4820-01-200-0835 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-200-0835 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 4820-01-200-0835 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Jan 30, 1985