4820-00-074-5220

Find complete technical information, availability, and procurement data for: 4820-00-074-5220
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-074-5220

Item Name Code

22113

Assigment Date

01/01/1960 (66 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 flange seat to disk end height, 0.781 inches nominal under flange height, 2.656 inches nominal flange diameter, 0.531 inches nominal single threaded portion thread length, 1.375 inches minimum and 2.094 inches maximum body inside diameter

Product Characteristics

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

Thread Length: 0.531 inches nominal single threaded portion
Flange Diameter: 2.656 inches nominal
Body Inside Diameter: 1.375 inches minimum and 2.094 inches maximum
Flange Seat To Disk End Height: 0.250 inches nominal
Under Flange Height: 0.781 inches nominal
Thread Quantity Per Inch: 16 single threaded portion
Nominal Thread Size: 2.500 inches single threaded portion
Seating Surface Shape: flat
Material: steel body
Material Document And Classification: stainless forging 410 mfr ref single material response body
Style Designator: faucet
Thread Series Designator: un single threaded portion

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
301125-1125	Valve Seat
7803921	Valve Seat
FM-2262	Valve Seat
FM7521D	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-074-5220?

The FSCG of the NSN 4820-00-074-5220 is 4820

Does the NSN 4820-00-074-5220 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-074-5220 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 4820-00-074-5220 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-074-5220 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 4820-00-074-5220 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960