4820-01-331-6890

Find complete technical information, availability, and procurement data for: 4820-01-331-6890
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-331-6890

Item Name Code

32528

Assigment Date

12/22/1990 (35 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.

nickel alloy k-500 material, zzzy criticality code justification, ball valve end item identification, material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items reference number differentiating characteristics, material-nickel-copper-aluminum qq-n-286 special features

Product Characteristics

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

End Item Identification: ball valve
Criticality Code Justification: zzzy
Special Features: material-nickel-copper-aluminum qq-n-286
Material: nickel alloy k-500
Reference Number Differentiating Characteristics: material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items

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
803-2178493 PC 33,34,35	Fluid Valve Stem
803-2178493 PC 33,34,35L1	Fluid Valve Stem
803-2178493 PIECE 6	Fluid Valve Stem
803-2178493 PIECE 6L1	Fluid Valve Stem
803-2178493-A-33,34,35	Fluid Valve Stem
803-2178493-A-33,34,35L1	Fluid Valve Stem

FAQs

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

What is the FSCG of the NSN 4820-01-331-6890?

The FSCG of the NSN 4820-01-331-6890 is 4820

Does the NSN 4820-01-331-6890 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-331-6890 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-331-6890 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-331-6890 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 4820-01-331-6890 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sat, Dec 22, 1990