4820-01-176-8484

Find complete technical information, availability, and procurement data for: 4820-01-176-8484
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-176-8484

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.

5.000 inches nominal flange seat to disk end height, 8.170 inches minimum and 8.180 inches maximum body inside diameter, 9.875 inches nominal body outside diameter, 0.500 inches nominal under flange height, 12.000 inches minimum and 12.001 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: 12.000 inches minimum and 12.001 inches maximum
Body Outside Diameter: 9.875 inches nominal
Body Inside Diameter: 8.170 inches minimum and 8.180 inches maximum
Flange Seat To Disk End Height: 5.000 inches nominal
Under Flange Height: 0.500 inches nominal
Material: steel body
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
429B255	Valve Seat
429B255-002	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-176-8484?

The FSCG of the NSN 4820-01-176-8484 is 4820

Does the NSN 4820-01-176-8484 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-176-8484 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 4820-01-176-8484 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-176-8484 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 4820-01-176-8484 was assigned to the Federal Catalog?

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