5331-00-420-0728

Find complete technical information, availability, and procurement data for: 5331-00-420-0728
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-420-0728

Item Name Code

47946

Assigment Date

12/07/1970 (55 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.

0.100 inches minimum and 0.106 inches maximum cross-sectional height, 0.669 inches minimum and 0.679 inches maximum center hole diameter, 0.880 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.

Outside Diameter: 0.880 inches nominal
Cross-Sectional Height: 0.100 inches minimum and 0.106 inches maximum
Center Hole Diameter: 0.669 inches minimum and 0.679 inches maximum
Material: plastic polytetrafluoroethylene

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-00-811-1674	No Name Available	06/01/1983

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
000115EL	O-Ring
ARP568-115AMS3651	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-420-0728?

The FSCG of the NSN 5331-00-420-0728 is 5331

Does the NSN 5331-00-420-0728 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5331-00-420-0728 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 5331-00-420-0728 contain precious materials?

Precious metal content is unknown

Does NSN 5331-00-420-0728 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 5331-00-420-0728 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Dec 7, 1970