A-8516-3

View detailed technical data, stock status, and sourcing information for: A-8516-3
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-01-461-4554

Item Name Code

22534

Assigment Date

12/14/1998 (27 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.

3.750 inches nominal body inside diameter, 4.250 inches nominal body outside diameter, plain body style, 0.620 inches nominal overall 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: plain
Overall Length: 0.620 inches nominal
Body Outside Diameter: 4.250 inches nominal
Body Inside Diameter: 3.750 inches nominal

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4320-01-192-9660	No Name Available	08/01/2007

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
14775N18	Wearing Ring
18158P	Wearing Ring
310436-00	Wearing Ring
375D6FX1	Wearing Ring
A-8492-3	Wearing Ring
A-8516-3	Wearing Ring

FAQs

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

What is the FSCG of the NSN 4320-01-461-4554?

The FSCG of the NSN 4320-01-461-4554 is 4320

Does the NSN 4320-01-461-4554 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-01-461-4554 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 4320-01-461-4554 contain precious materials?

Item does not contain precious metal.

Does NSN 4320-01-461-4554 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 4320-01-461-4554 was assigned to the Federal Catalog?

It was assigned 27 years ago, on Mon, Dec 14, 1998