4320-00-398-5476

Find complete technical information, availability, and procurement data for: 4320-00-398-5476
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-398-5476

Item Name Code

10089

Assigment Date

01/01/1963 (63 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.

0.125 inches nominal keyway depth, 2.500 inches nominal keyway length, 8.750 inches nominal overall diameter, 0.250 inches nominal keyway width, 3.562 inches nominal overall width

Product Characteristics

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

Overall Width: 3.562 inches nominal
Keyway Width: 0.250 inches nominal
Keyway Depth: 0.125 inches nominal
Overall Diameter: 8.750 inches nominal
Keyway Length: 2.500 inches nominal
Blade Quantity: 6
Hub Length: 1.188 inches nominal and 1.312 inches nominal
Blade Type: forward curve
Design Type: single width
Rotation Direction For Which Designed: clockwise
Hub Bore Diameter: 1.250 inches nominal and 1.250 inches nominal
Hub Location: back side and front side
Hub Quantity: 2
Hub Projection Length Beyond Wheel Side: 1.188 inches nominal and 1.312 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
08-984-147-00-958	Centrifugal Pump Impeller
08-984-14700-958	Centrifugal Pump Impeller

FAQs

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

What is the FSCG of the NSN 4320-00-398-5476?

The FSCG of the NSN 4320-00-398-5476 is 4320

Does the NSN 4320-00-398-5476 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-398-5476 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 4320-00-398-5476 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-398-5476 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 4320-00-398-5476 was assigned to the Federal Catalog?

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