4320-00-018-2690

Find complete technical information, availability, and procurement data for: 4320-00-018-2690
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-018-2690

Item Name Code

22534

Assigment Date

05/10/1968 (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.

8.190 inches nominal body outside diameter, 7.138 inches nominal body inside diameter, 2.257 inches nominal overall length, 1.815 inches nominal left side flange thickness, 8.500 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.

Overall Length: 2.257 inches nominal
Flange Diameter: 8.500 inches nominal
Body Outside Diameter: 8.190 inches nominal
Body Inside Diameter: 7.138 inches nominal
Left Side Flange Thickness: 1.815 inches nominal
Distance Below Centerline: 0.125 inches nominal
Corner Shape: square all corners
Material: steel

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
0044329	Wearing Ring
0044329US	Wearing Ring
044329	Wearing Ring

FAQs

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

What is the FSCG of the NSN 4320-00-018-2690?

The FSCG of the NSN 4320-00-018-2690 is 4320

Does the NSN 4320-00-018-2690 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-018-2690 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 4320-00-018-2690 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-018-2690 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 4320-00-018-2690 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Fri, May 10, 1968