1C-2273

View detailed technical data, stock status, and sourcing information for: 1C-2273
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-977-2806

Item Name Code

10089

Assigment Date

01/01/1962 (64 years ago)

An item consisting of blades or paddles equally spaced around the periphery of a hub, rotor, or wheel. It is the rotating part of a pump, centrifugal.

2.938 inches nominal overall width, 0.094 inches nominal keyway depth, 0.188 inches nominal keyway width, 8.000 inches minimum and 8.250 inches maximum overall diameter, 1 keyway quantity

Product Characteristics

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

Overall Width: 2.938 inches nominal
Keyway Width: 0.188 inches nominal
Keyway Depth: 0.094 inches nominal
Overall Diameter: 8.000 inches minimum and 8.250 inches maximum
Keyway Quantity: 1
Keyway Length: 1.250 inches nominal
Blade Quantity: 3
Hub Length: 0.813 inches minimum and 0.875 inches maximum
Blade Type: backward curve
Design Type: single width
Mounting Method: key
Rotation Direction For Which Designed: counterclockwise
Hub Bore Diameter: 2.370 inches minimum and 3.250 inches maximum
Hub Location: back side and front side
Hub Quantity: 2
Keyway Type: straight
Material: steel
Surface Treatment: chromium

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
1C-2273	Centrifugal Pump Impeller
1C-2273PC5	Centrifugal Pump Impeller
212507	Centrifugal Pump Impeller

FAQs

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

What is the FSCG of the NSN 4320-00-977-2806?

The FSCG of the NSN 4320-00-977-2806 is 4320

Does the NSN 4320-00-977-2806 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-977-2806 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 4320-00-977-2806 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-977-2806 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 4320-00-977-2806 was assigned to the Federal Catalog?

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