4320-00-137-1794

Find complete technical information, availability, and procurement data for: 4320-00-137-1794
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-137-1794

Item Name Code

22534

Assigment Date

07/16/1971 (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.

plain body style, 0.062 inches nominal inside left corner chamfer length, 1.000 inches nominal overall length, 7.253 inches minimum and 7.255 inches maximum body outside diameter, 0.062 inches nominal outside right corner chamfer length

Product Characteristics

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

Body Style: plain
Chamfer Length: 0.062 inches nominal inside left corner
Chamfer Length: 0.062 inches nominal outside right corner
Overall Length: 1.000 inches nominal
Body Outside Diameter: 7.253 inches minimum and 7.255 inches maximum
Body Inside Diameter: 6.753 inches minimum and 6.755 inches maximum
Corner Shape: chamfered outside right corner
Corner Shape: chamfered inside left corner
Corner Shape: square outside left corner
Corner Shape: square inside right corner
Chamfer Angle: 45.0 degrees nominal inside left corner
Chamfer Angle: 45.0 degrees nominal outside right corner
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
04012369B	Wearing Ring
12369B	Wearing Ring

FAQs

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

What is the FSCG of the NSN 4320-00-137-1794?

The FSCG of the NSN 4320-00-137-1794 is 4320

Does the NSN 4320-00-137-1794 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-137-1794 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 4320-00-137-1794 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-137-1794 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 4320-00-137-1794 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Jul 16, 1971