4820-00-045-8494

Find complete technical information, availability, and procurement data for: 4820-00-045-8494
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-045-8494

Item Name Code

22113

Assigment Date

01/01/1963 (63 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.

0.562 inches nominal body outside diameter, 0.438 inches nominal flange seat to disk end height, 0.125 inches nominal under flange height, 0.188 inches nominal body inside diameter, 1.125 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: 1.125 inches nominal
Body Outside Diameter: 0.562 inches nominal
Body Inside Diameter: 0.188 inches nominal
Flange Seat To Disk End Height: 0.438 inches nominal
Under Flange Height: 0.125 inches nominal
Seat Angle In Deg: 45.000 nominal
Seal Accommodation Type: recessed
Seating Surface Shape: angular
Special Features: special cleaned for oxygen service
Material: steel overall
Style Designator: plain flanged
Reference Number Differentiating Characteristics: as differentiated by the cleaning requirement

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
0X234617	Valve Seat
0X234617CP	Valve Seat
146-00107-1	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-045-8494?

The FSCG of the NSN 4820-00-045-8494 is 4820

Does the NSN 4820-00-045-8494 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-045-8494 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 4820-00-045-8494 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-045-8494 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 4820-00-045-8494 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963