810-303-0070

View detailed technical data, stock status, and sourcing information for: 810-303-0070
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-097-1579

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.

1.812 inches nominal flange diameter, 1.500 inches nominal body outside diameter, 2.212 inches nominal under flange height, 0.595 inches nominal flange seat to disk end height, 1.250 inches nominal 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.

Flange Diameter: 1.812 inches nominal
Body Outside Diameter: 1.500 inches nominal
Body Inside Diameter: 1.250 inches nominal
Flange Seat To Disk End Height: 0.595 inches nominal
Under Flange Height: 2.212 inches nominal
Seat Angle In Deg: 45.000 nominal
Seating Surface Shape: angular
Material: steel corrosion resisting overall
Style Designator: plain flanged

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-036-1775	No Name Available	11/01/1990

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
010-303-0070	Valve Seat
0103030070	Valve Seat
41-3-102	Valve Seat
41-3-4	Valve Seat
810-303-0070	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-097-1579?

The FSCG of the NSN 4820-00-097-1579 is 4820

Does the NSN 4820-00-097-1579 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-097-1579 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 4820-00-097-1579 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-097-1579 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 4820-00-097-1579 was assigned to the Federal Catalog?

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