4820-01-284-4272

Find complete technical information, availability, and procurement data for: 4820-01-284-4272
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-284-4272

Item Name Code

22113

Assigment Date

08/24/1988 (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.

0.250 inches nominal under flange height, steel overall material, 1.708 inches nominal flange seat to disk end height, 4.062 inches nominal body outside diameter, 4.172 inches minimum and 4.187 inches maximum flange diameter

Product Characteristics

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

Flange Diameter: 4.172 inches minimum and 4.187 inches maximum
Body Outside Diameter: 4.062 inches nominal
Flange Seat To Disk End Height: 1.708 inches nominal
Under Flange Height: 0.250 inches nominal
Material: steel overall
Material Document And Classification: astm a217,gr wc9 assn std 1st material response or astm a182 assn std 1st material response overall
Style Designator: plain flanged
Fsc Application Data: valve gate

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
9015-007-178	Valve Seat
9019-029	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-284-4272?

The FSCG of the NSN 4820-01-284-4272 is 4820

Does the NSN 4820-01-284-4272 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-284-4272 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 4820-01-284-4272 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-284-4272 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 4820-01-284-4272 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Wed, Aug 24, 1988