28-7898

View detailed technical data, stock status, and sourcing information for: 28-7898
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-042-4580

Item Name Code

60980

Assigment Date

05/15/1968 (58 years ago)

An item of single or multipiece construction, circular in shape and usually of h-shape cross section, designed for insertion between packing rings on pump shafts. The web of the ring is perforated to permit flow of liquid to the shaft and packing for sealing, cooling and lubricating purposes.

4.145 inches nominal outside diameter, 3.725 inches nominal inside diameter, rubber synthetic overall material, 0.210 inches nominal height

Product Characteristics

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

Inside Diameter: 3.725 inches nominal
Outside Diameter: 4.145 inches nominal
Height: 0.210 inches nominal
Material: rubber synthetic overall

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
028-07898-000	Lantern Ring
28-2631P	Lantern Ring
28-7898	Lantern Ring
282631P	Lantern Ring

FAQs

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

What is the FSCG of the NSN 4320-00-042-4580?

The FSCG of the NSN 4320-00-042-4580 is 4320

Does the NSN 4320-00-042-4580 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-042-4580 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 4320-00-042-4580 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-042-4580 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 4320-00-042-4580 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, May 15, 1968