4320-00-740-3477

Find complete technical information, availability, and procurement data for: 4320-00-740-3477
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4320-00-740-3477 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-740-3477

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.

4.250 inches nominal overall width, 1 keyway quantity, 7.500 inches nominal overall diameter, 0.188 inches nominal keyway depth, 0.368 inches nominal keyway 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: 4.250 inches nominal
Keyway Width: 0.368 inches nominal
Keyway Depth: 0.188 inches nominal
Overall Diameter: 7.500 inches nominal
Keyway Quantity: 1
Keyway Length: 2.085 inches nominal
Blade Quantity: 5
Hub Length: 1.325 inches nominal and 0.758 inches nominal
Blade Type: backward curve
Design Type: single width
Mounting Method: key
Rotation Direction For Which Designed: counterclockwise
Hub Bore Diameter: 1.372 inches nominal and 1.372 inches nominal
Hub Location: back side and front side
Hub Quantity: 2
Hub Projection Length Beyond Wheel Side: 1.325 inches nominal and 1.640 inches nominal
Keyway Type: rectangular
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
17492P	Centrifugal Pump Impeller
RX128740A	Centrifugal Pump Impeller

FAQs

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

What is the FSCG of the NSN 4320-00-740-3477?

The FSCG of the NSN 4320-00-740-3477 is 4320

Does the NSN 4320-00-740-3477 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-740-3477 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 4320-00-740-3477 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-740-3477 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 4320-00-740-3477 was assigned to the Federal Catalog?

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