4820-01-431-6666

Find complete technical information, availability, and procurement data for: 4820-01-431-6666
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-431-6666

Item Name Code

22113

Assigment Date

05/16/1996 (30 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.

0.310 inches nominal single threaded portion thread length, w/s code, fire fighting equipment end item identification, 0.625 inches nominal body inside diameter, 2a single threaded portion thread class, 1.060 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.

Thread Class: 2a single threaded portion
Thread Length: 0.310 inches nominal single threaded portion
Flange Diameter: 1.060 inches nominal
Body Inside Diameter: 0.625 inches nominal
End Item Identification: w/s code, fire fighting equipment
Flange Seat To Disk End Height: 0.186 inches nominal
Under Flange Height: 0.410 inches nominal
Nominal Thread Size: 0.875 inches single threaded portion
Seating Surface Shape: flat
Material: nickel alloy overall
Style Designator: threaded flanged
Thread Series Designator: unf 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
6983468-PIECE 29	Valve Seat
803-6983468-PC029	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-431-6666?

The FSCG of the NSN 4820-01-431-6666 is 4820

Does the NSN 4820-01-431-6666 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-431-6666 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 4820-01-431-6666 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-431-6666 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 4820-01-431-6666 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, May 16, 1996