121456

View detailed technical data, stock status, and sourcing information for: 121456
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-950-9305

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.

1.000 inches nominal overall length, plain body style, 0.094 inches nominal inside left corner chamfer length, 0.062 inches nominal inside right corner chamfer length, 3.379 inches minimum and 3.381 inches maximum body outside diameter

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 right corner
Chamfer Length: 0.094 inches nominal inside left corner
Overall Length: 1.000 inches nominal
Body Outside Diameter: 3.379 inches minimum and 3.381 inches maximum
Body Inside Diameter: 3.000 inches minimum and 3.001 inches maximum
Corner Shape: chamfered inside left corner
Corner Shape: chamfered inside right corner
Corner Shape: square outside left corner
Corner Shape: square outside right corner
Surface Finish: 125.0 microinches inside
Surface Finish: 125.0 microinches left face
Surface Finish: 125.0 microinches right face
Surface Finish: 20.0 microinches outside
Chamfer Angle: 45.0 degrees nominal inside left corner
Chamfer Angle: 45.0 degrees nominal inside right corner
Material: steel
Material Document And Classification: qq-s-763,class 410,cond a 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
121456	Wearing Ring

FAQs

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

What is the FSCG of the NSN 4320-00-950-9305?

The FSCG of the NSN 4320-00-950-9305 is 4320

Does the NSN 4320-00-950-9305 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-950-9305 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 4320-00-950-9305 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-950-9305 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 4320-00-950-9305 was assigned to the Federal Catalog?

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