4320-00-398-8165

Find complete technical information, availability, and procurement data for: 4320-00-398-8165
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-398-8165

Item Name Code

22534

Assigment Date

01/01/1963 (63 years ago)

A tubular shaped metallic item designed to provide a replaceable wearing surface for a centrifugal pump shaft. See also bearing, sleeve; bushing, sleeve; and spacer, sleeve.

1.688 inches nominal overall length, 0.438 inches nominal left side flange thickness, 8.345 inches nominal body inside diameter, 9.246 inches nominal body outside diameter, external locking flange 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: external locking flange
Overall Length: 1.688 inches nominal
Body Outside Diameter: 9.246 inches nominal
Body Inside Diameter: 8.345 inches nominal
Left Side Flange Thickness: 0.438 inches nominal
Right Side Flange Thickness: 0.375 inches nominal
Distance Between Flanges: 0.875 inches minimum and 0.878 inches maximum
End To Flange Distance: 1.250 inches nominal
Smallest External Anchor Flange Radius: 4.500 inches nominal
Largest External Anchor Flange Radius: 4.937 inches nominal
Distance Below Centerline: 0.062 inches nominal
Distance From End: 0.500 inches nominal
Corner Shape: square all corners
Material: copper alloy

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
256123-12	Wearing Ring
9397P	Wearing Ring
R256123-12	Wearing Ring
SL6123PC68	Wearing Ring

FAQs

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

What is the FSCG of the NSN 4320-00-398-8165?

The FSCG of the NSN 4320-00-398-8165 is 4320

Does the NSN 4320-00-398-8165 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-398-8165 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 4320-00-398-8165 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-398-8165 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 4320-00-398-8165 was assigned to the Federal Catalog?

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