4320-00-980-3427

Find complete technical information, availability, and procurement data for: 4320-00-980-3427
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-980-3427

Item Name Code

22534

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.

4.965 inches nominal body inside diameter, 1.000 inches nominal overall length, 0.500 inches nominal inside right corner corner radius, 5.496 inches minimum and 5.498 inches maximum 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: 1.000 inches nominal
Body Outside Diameter: 5.496 inches minimum and 5.498 inches maximum
Body Inside Diameter: 4.965 inches nominal
Corner Radius: 0.500 inches nominal inside right corner
Left Side Flange Thickness: 0.172 inches nominal
Right Side Flange Thickness: 0.188 inches nominal
Distance Between Flanges: 0.485 inches minimum and 0.487 inches maximum
End To Flange Distance: 0.675 inches nominal
Smallest External Anchor Flange Radius: 3.281 inches nominal
Largest External Anchor Flange Radius: 5.625 inches nominal
Distance Below Centerline: 0.125 inches nominal
Distance From End: 0.250 inches nominal
Corner Shape: square all corners
Material: steel corrosion resisting

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
17675P	Wearing Ring
H4320-980-3427	Wearing Ring

FAQs

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

What is the FSCG of the NSN 4320-00-980-3427?

The FSCG of the NSN 4320-00-980-3427 is 4320

Does the NSN 4320-00-980-3427 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-980-3427 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 4320-00-980-3427 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-980-3427 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 4320-00-980-3427 was assigned to the Federal Catalog?

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