203-206-035-100-003

View detailed technical data, stock status, and sourcing information for: 203-206-035-100-003
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 203-206-035-100-003 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-062-0140

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.

4.940 inches nominal body outside diameter, 1.815 inches nominal seat radius, 2.000 inches nominal overall height, 4.940 inches nominal flange diameter, 3.630 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: 4.940 inches nominal
Overall Height: 2.000 inches nominal
Body Outside Diameter: 4.940 inches nominal
Body Inside Diameter: 3.630 inches nominal
Seat Radius: 1.815 inches nominal
Flange Seat To Disk End Height: 0.523 inches nominal
Under Flange Height: 2.120 inches nominal
Seating Surface Shape: radial
Special Features: has tow 0.460 in. holes centered on periphery 180.0 deg apart
Material: rubber 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Below is a list of NSNs that have been officially superseded by this NSN: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
4820-00-913-1210	No Name Available	05/09/1973

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
203-206-035-100-003	Valve Seat
230-206-035-100-003	Valve Seat
470-206-035-100-003	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-062-0140?

The FSCG of the NSN 4820-00-062-0140 is 4820

Does the NSN 4820-00-062-0140 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-062-0140 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 4820-00-062-0140 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-062-0140 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 4820-00-062-0140 was assigned to the Federal Catalog?

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