170450

View detailed technical data, stock status, and sourcing information for: 170450
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-010-2769

Item Name Code

22534

Assigment Date

05/01/1968 (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.

1.219 inches nominal overall length, 0.313 inches nominal inside right corner corner radius, 5.125 inches nominal body outside diameter, 4.563 inches nominal body inside diameter, internal flange w/external locking flange body style

Product Characteristics

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

Body Style: internal flange w/external locking flange
Overall Length: 1.219 inches nominal
Body Outside Diameter: 5.125 inches nominal
Body Inside Diameter: 4.563 inches nominal
Corner Radius: 0.313 inches nominal inside right corner
Left Side Flange Thickness: 0.250 inches nominal
Right Side Flange Thickness: 0.219 inches nominal
Distance Between Flanges: 0.750 inches nominal
End To Flange Distance: 1.000 inches nominal
Internal Flange Inside Diameter: 4.000 inches nominal
Internal Flange Width: 0.313 inches nominal
Smallest External Anchor Flange Radius: 2.563 inches nominal
Largest External Anchor Flange Radius: 2.750 inches nominal
Distance Below Centerline: 0.156 inches nominal
Distance From End: 0.375 inches nominal
Corner Shape: round inside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square outside right corner
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
170450	Wearing Ring
190157	Wearing Ring
SK-63719	Wearing Ring

FAQs

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

What is the FSCG of the NSN 4320-00-010-2769?

The FSCG of the NSN 4320-00-010-2769 is 4320

Does the NSN 4320-00-010-2769 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-010-2769 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 4320-00-010-2769 contain precious materials?

Item does not contain precious metal.

Does NSN 4320-00-010-2769 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 4320-00-010-2769 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, May 1, 1968