4820-00-043-4181

Find complete technical information, availability, and procurement data for: 4820-00-043-4181
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-043-4181

Item Name Code

22113

Assigment Date

01/01/1961 (65 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.

0.781 inches nominal body inside diameter, 0.938 inches nominal body outside diameter, 66,sae 1112 thru 1120 fed std single material response body material document and classification, flat seating surface shape, steel body material

Product Characteristics

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

Body Outside Diameter: 0.938 inches nominal
Body Inside Diameter: 0.781 inches nominal
Seating Surface Shape: flat
Material: steel body
Material Document And Classification: 66,sae 1112 thru 1120 fed std single material response body
Surface Treatment: phosphate 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
03S787P213	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-043-4181?

The FSCG of the NSN 4820-00-043-4181 is 4820

Does the NSN 4820-00-043-4181 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-043-4181 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 4820-00-043-4181 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-043-4181 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 4820-00-043-4181 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961