4820-00-390-3747

Find complete technical information, availability, and procurement data for: 4820-00-390-3747
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-390-3747

Item Name Code

22113

Assigment Date

01/01/1963 (63 years ago)

An item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes:stem, faucet; and stem, needle valve.

0.250 inches nominal flange seat to disk end height, 0.532 inches nominal single threaded portion thread length, 2.656 inches nominal flange diameter, 2.250 inches nominal body inside diameter, 0.750 inches nominal under flange height

Product Characteristics

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

Thread Length: 0.532 inches nominal single threaded portion
Flange Diameter: 2.656 inches nominal
Body Inside Diameter: 2.250 inches nominal
Flange Seat To Disk End Height: 0.250 inches nominal
Under Flange Height: 0.750 inches nominal
Seat Angle In Deg: 45.000 nominal
Nominal Thread Size: 2.500 inches single threaded portion
Seating Surface Shape: angular
Material: steel corrosion resisting overall
Style Designator: threaded 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
301125-2123	Valve Seat
308886-0105	Valve Seat
312864-1044 PIE	Valve Seat
FM7521DPC12	Valve Seat
N3-12288	Valve Seat
N3-12288 PIECE 403	Valve Seat
N3-12296PC403	Valve Seat
N3-1229CPC403	Valve Seat
N3-23017PC12	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-390-3747?

The FSCG of the NSN 4820-00-390-3747 is 4820

Does the NSN 4820-00-390-3747 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-390-3747 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 4820-00-390-3747 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-390-3747 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 4820-00-390-3747 was assigned to the Federal Catalog?

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