S4220-3

View detailed technical data, stock status, and sourcing information for: S4220-3
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Federal Supply Group

Valves

Federal Supply Classification

4810 Powered Valves

National Stock Number

4810-01-234-3290

Item Name Code

22113

Assigment Date

06/13/1986 (40 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.

3a single threaded portion thread class, 0.625 inches nominal flange seat to disk end height, 1.000 inches nominal body inside diameter, 1.500 inches nominal flange diameter, 0.375 inches nominal single threaded portion thread length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a single threaded portion
Thread Length: 0.375 inches nominal single threaded portion
Flange Diameter: 1.500 inches nominal
Body Inside Diameter: 1.000 inches nominal
Flange Seat To Disk End Height: 0.625 inches nominal
Under Flange Height: 0.375 inches nominal
Nominal Thread Size: 1.500 inches single threaded portion
Seating Surface Shape: o-ring
Material: nickel alloy overall
Style Designator: threaded flanged
Thread Series Designator: unef single threaded portion

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
3323765	Valve Seat
3323765 PIECE 3	Valve Seat
S-4220	Valve Seat
S-4220 PIECE 3	Valve Seat
S4220-3	Valve Seat

FAQs

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

What is the FSCG of the NSN 4810-01-234-3290?

The FSCG of the NSN 4810-01-234-3290 is 4810

Does the NSN 4810-01-234-3290 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4810-01-234-3290 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 4810-01-234-3290 contain precious materials?

Item does not contain precious metal.

Does NSN 4810-01-234-3290 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 4810-01-234-3290 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Fri, Jun 13, 1986