4320-00-081-9321

Find complete technical information, availability, and procurement data for: 4320-00-081-9321
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-081-9321

Item Name Code

22534

Assigment Date

12/13/1967 (58 years ago)

A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.

4.312 inches nominal body outside diameter, copper alloy material, 2.750 inches nominal minor outside diameter

Product Characteristics

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

Body Outside Diameter: 4.312 inches nominal
Minor Outside Diameter: 2.750 inches nominal
Material: copper alloy

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
654B0170C051A	Wearing Ring
SMS-654B0170	Wearing Ring

FAQs

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

What is the FSCG of the NSN 4320-00-081-9321?

The FSCG of the NSN 4320-00-081-9321 is 4320

Does the NSN 4320-00-081-9321 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-081-9321 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 4320-00-081-9321 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-081-9321 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 4320-00-081-9321 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Dec 13, 1967