4820-00-771-8890

Find complete technical information, availability, and procurement data for: 4820-00-771-8890
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-771-8890

Item Name Code

22113

Assigment Date

01/01/1962 (64 years ago)

flat seating surface shape, 0.265 inches nominal body outside diameter, 0.625 inches nominal flange seat to disk end height, 0.057 inches nominal under flange height, 0.687 inches nominal 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: 0.687 inches nominal
Body Outside Diameter: 0.265 inches nominal
Flange Seat To Disk End Height: 0.625 inches nominal
Under Flange Height: 0.057 inches nominal
Seating Surface Shape: flat
Body Stepped Inside Diameter: 0.281 inches nominal second step
Body Stepped Inside Diameter: 0.234 inches nominal first step
Body Stepped Inside Diameter: 0.438 inches nominal third step
Body Stepped Inside Diameter: 0.625 inches nominal fourth step
Material: aluminum alloy 2024 overall
Material Document And Classification: qq-a-268,t4 fed spec single material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625 mil 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
1602973-1	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-771-8890?

The FSCG of the NSN 4820-00-771-8890 is 4820

Does the NSN 4820-00-771-8890 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-771-8890 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 4820-00-771-8890 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-771-8890 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 4820-00-771-8890 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962