55S163M

View detailed technical data, stock status, and sourcing information for: 55S163M
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5365 Bushings, Rings, Shims and Spacers

National Stock Number

5365-00-866-1418

Item Name Code

24307

Assigment Date

01/01/1962 (64 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.

2.625 inches nominal inside diameter, 0.062 inches nominal overall thickness, 3.250 inches nominal outside diameter, plastic polytetrafluoroethylene material

Product Characteristics

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

Inside Diameter: 2.625 inches nominal
Outside Diameter: 3.250 inches nominal
Overall Thickness: 0.062 inches nominal
Material: plastic polytetrafluoroethylene

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
55S163M	Ring Spacer

FAQs

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

What is the FSCG of the NSN 5365-00-866-1418?

The FSCG of the NSN 5365-00-866-1418 is 5365

Does the NSN 5365-00-866-1418 have a Schedule B code assigned?

Yes, the Schedule B code is 3926909988

Does NSN 5365-00-866-1418 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 5365-00-866-1418 contain precious materials?

Item does not contain precious metal.

Does NSN 5365-00-866-1418 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 5365-00-866-1418 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962