CA11203-9B1

View detailed technical data, stock status, and sourcing information for: CA11203-9B1
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-838-9523

Item Name Code

22534

Assigment Date

12/14/1966 (59 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 hole diameter, 0.125 inches nominal hole depth, external and internal flange body style, 0.938 inches nominal outside left corner chamfer length, 2.000 inches nominal inside right corner chamfer length

Product Characteristics

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

Body Style: external and internal flange
Hole Diameter: 0.125 inches nominal
Chamfer Length: 0.938 inches nominal outside left corner
Chamfer Length: 2.000 inches nominal inside right corner
Hole Depth: 0.125 inches nominal
Overall Length: 1.438 inches nominal
Flange Diameter: 12.000 inches nominal
Body Outside Diameter: 11.625 inches nominal
Body Inside Diameter: 9.004 inches nominal
End To Flange Distance: 0.188 inches nominal
Internal Flange Inside Diameter: 7.500 inches nominal
Internal Flange Width: 1.313 inches nominal
Center Flange Thickness: 0.193 inches nominal
Corner Shape: chamfered inside right corner
Chamfer Angle: 10.0 degrees nominal inside right corner
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
CA11203-9B1	Wearing Ring

FAQs

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

What is the FSCG of the NSN 4320-00-838-9523?

The FSCG of the NSN 4320-00-838-9523 is 4320

Does the NSN 4320-00-838-9523 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-838-9523 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 4320-00-838-9523 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-838-9523 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 4320-00-838-9523 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Dec 14, 1966