4820-00-257-5196

Find complete technical information, availability, and procurement data for: 4820-00-257-5196
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-257-5196

Item Name Code

22113

Assigment Date

06/29/1973 (53 years ago)

0.188 inches nominal body inside diameter, 0.372 inches minimum and 0.373 inches maximum body outside diameter, 0.149 inches minimum and 0.159 inches maximum under flange height, 0.215 inches minimum and 0.235 inches maximum flange seat to disk end height, 0.372 inches minimum and 0.373 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: 0.372 inches minimum and 0.373 inches maximum
Body Outside Diameter: 0.372 inches minimum and 0.373 inches maximum
Body Inside Diameter: 0.188 inches nominal
Flange Seat To Disk End Height: 0.215 inches minimum and 0.235 inches maximum
Under Flange Height: 0.149 inches minimum and 0.159 inches maximum
Seal Accommodation Type: grooved
Hardness Rating: 58.0 rockwell c minimum and 60.0 rockwell c maximum body
Hardness Rating: 58.0 rockwell c minimum and 60.0 rockwell c maximum face
Seating Surface Shape: flat
Material: steel comp 440c overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Style Designator: plain flanged

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
2618581	Valve Seat
2618581P1	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-257-5196?

The FSCG of the NSN 4820-00-257-5196 is 4820

Does the NSN 4820-00-257-5196 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-257-5196 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 4820-00-257-5196 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-257-5196 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 4820-00-257-5196 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Fri, Jun 29, 1973