183228-81

View detailed technical data, stock status, and sourcing information for: 183228-81
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-445-4422

Item Name Code

22113

Assigment Date

12/23/1970 (55 years ago)

angular seating surface shape, 90.000 nominal seat angle in deg, 0.048 inches minimum and 0.050 inches maximum overall height, 0.429 inches minimum and 0.430 inches maximum body outside diameter, 0.257 inches minimum and 0.258 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.

Overall Height: 0.048 inches minimum and 0.050 inches maximum
Body Outside Diameter: 0.429 inches minimum and 0.430 inches maximum
Body Inside Diameter: 0.257 inches minimum and 0.258 inches maximum
Seat Angle In Deg: 90.000 nominal
Seating Surface Shape: angular
Material: fabric, nylon overall
Material Document And Classification: mil-m-20693 mil spec single material response overall
Style Designator: plain

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
183228-0081	Valve Seat
183228-81	Valve Seat
280566PC16	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-445-4422?

The FSCG of the NSN 4820-00-445-4422 is 4820

Does the NSN 4820-00-445-4422 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-445-4422 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 4820-00-445-4422 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-445-4422 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 4820-00-445-4422 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Dec 23, 1970