4320-00-056-7591

Find complete technical information, availability, and procurement data for: 4320-00-056-7591
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-056-7591

Item Name Code

22534

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.

square all corners corner shape, 4.859 inches minimum and 4.861 inches maximum body outside diameter, 1.000 inches nominal overall length, 4.499 inches minimum and 4.500 inches maximum body inside diameter, plain 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: plain
Overall Length: 1.000 inches nominal
Body Outside Diameter: 4.859 inches minimum and 4.861 inches maximum
Body Inside Diameter: 4.499 inches minimum and 4.500 inches maximum
Corner Shape: square all corners
Surface Finish: 125.0 microinches inside
Surface Finish: 125.0 microinches outside
Surface Finish: 125.0 microinches left face
Surface Finish: 125.0 microinches right face
Material: steel
Material Document And Classification: mil-s-18262,class 2 mil spec single material response

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
CA-10180-4R	Wearing Ring
CA10180-4RSS	Wearing Ring

FAQs

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

What is the FSCG of the NSN 4320-00-056-7591?

The FSCG of the NSN 4320-00-056-7591 is 4320

Does the NSN 4320-00-056-7591 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-056-7591 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 4320-00-056-7591 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-056-7591 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 4320-00-056-7591 was assigned to the Federal Catalog?

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