4820-01-176-8486

Find complete technical information, availability, and procurement data for: 4820-01-176-8486
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-176-8486

Item Name Code

22113

Assigment Date

04/17/1984 (42 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.

0.073 inches nominal body inside diameter, 0.077 inches nominal flange seat to disk end height, 0.307 inches nominal body outside diameter, 0.048 inches nominal under flange height, 0.482 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: 0.482 inches nominal
Body Outside Diameter: 0.307 inches nominal
Body Inside Diameter: 0.073 inches nominal
Flange Seat To Disk End Height: 0.077 inches nominal
Under Flange Height: 0.048 inches nominal
Seating Surface Shape: flat
Material: plastic 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
7820011-1	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-176-8486?

The FSCG of the NSN 4820-01-176-8486 is 4820

Does the NSN 4820-01-176-8486 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-176-8486 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-176-8486 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-176-8486 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 4820-01-176-8486 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Apr 17, 1984