4320-00-099-8744

Find complete technical information, availability, and procurement data for: 4320-00-099-8744
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-099-8744

Item Name Code

22534

Assigment Date

01/01/1963 (63 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.

1.063 inches nominal overall length, 5.374 inches minimum and 5.375 inches maximum body outside diameter, grooved w/external locking flange body style, 0.188 inches nominal groove width, 0.188 inches nominal groove depth

Product Characteristics

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

Body Style: grooved w/external locking flange
Groove Depth: 0.188 inches nominal
Groove Width: 0.188 inches nominal
Overall Length: 1.063 inches nominal
Body Outside Diameter: 5.374 inches minimum and 5.375 inches maximum
Body Inside Diameter: 4.479 inches minimum and 4.487 inches maximum
Distance From End To Groove Center: 0.219 inches nominal
Distance Between Groove Centers: 0.609 inches nominal
Distance Below Centerline: 0.125 inches nominal
Distance From End: 0.313 inches nominal
Corner Shape: square all corners
Material: copper alloy 903
Material Document And Classification: qq-c-390 d5 fed spec single material response

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
2-7-89BG	Wearing Ring
H4320-699-8744	Wearing Ring

FAQs

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

What is the FSCG of the NSN 4320-00-099-8744?

The FSCG of the NSN 4320-00-099-8744 is 4320

Does the NSN 4320-00-099-8744 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-099-8744 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 4320-00-099-8744 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-099-8744 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 4320-00-099-8744 was assigned to the Federal Catalog?

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