254701F

View detailed technical data, stock status, and sourcing information for: 254701F
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-398-8233

Item Name Code

61082

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.

2.1875 inches nominal overall length, 1.1250 inches nominal body inside diameter, 0.8750 inches nominal left internal flange width, 0.7500 inches nominal left internal flange hole diameter, 1.3750 inches nominal 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.

Overall Length: 2.1875 inches nominal
Body Outside Diameter: 1.3750 inches nominal
Body Inside Diameter: 1.1250 inches nominal
Left Internal Flange Hole Diameter: 0.7500 inches nominal
Left Internal Flange Width: 0.8750 inches nominal
Corner Shape: chamfered inside left corner
Corner Shape: square outside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Features Provided: casehardened
Hardness Rating: 265.0 brinell standard minimum and 300.0 brinell standard maximum overall
Keyway Dimension: 0.1093 inches nominal internal keyway depth
Keyway Dimension: 0.8750 inches nominal internal keyway length
Material: copper alloy overall
Style Designator: solid, plain, no outside flanges, internal flange one end

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:

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254701F	Pump Shaft Sleeve
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CS4320-0193	Pump Shaft Sleeve
RW105441PC4	Pump Shaft Sleeve
RW96891PC5	Pump Shaft Sleeve
SK134225	Pump Shaft Sleeve
SL4701PC10	Pump Shaft Sleeve
SL5102PC10	Pump Shaft Sleeve

FAQs

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

What is the FSCG of the NSN 4320-00-398-8233?

The FSCG of the NSN 4320-00-398-8233 is 4320

Does the NSN 4320-00-398-8233 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-398-8233 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 4320-00-398-8233 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-398-8233 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 4320-00-398-8233 was assigned to the Federal Catalog?

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