A278

View detailed technical data, stock status, and sourcing information for: A278

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A278
Federal Supply Group
Pumps and Compressors
Federal Supply Classification
4320 Power and Hand Pumps
National Stock Number
4320-00-580-2568
Item Name Code
10089
Assigment Date
01/01/1963 (63 years ago)

0.625 inches nominal keyway width, 0.344 inches nominal keyway depth, 22.875 inches nominal overall diameter, 7.000 inches nominal overall width, 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
7.000 inches nominal
Keyway Width
0.625 inches nominal
Keyway Depth
0.344 inches nominal
Overall Diameter
22.875 inches nominal
Keyway Quantity
1
Keyway Length
7.000 inches nominal
Blade Quantity
6
Hub Length
7.000 inches nominal
Blade Type
straight
Design Type
single width
Mounting Method
key
Rotation Direction For Which Designed
counterclockwise
Hub Bore Diameter
2.500 inches nominal
Hub Location
single straight
Hub Quantity
1
Hub Projection Length Beyond Wheel Side
0.375 inches nominal
Keyway Type
square
Material
nickel 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
A278 Centrifugal Pump Impeller
R310-4-2 Centrifugal Pump Impeller
R311-4-2 Centrifugal Pump Impeller
R605-4-2 Centrifugal Pump Impeller
R605PC4-2 Centrifugal Pump Impeller

FAQs

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

What is the FSCG of the NSN 4320-00-580-2568?
The FSCG of the NSN 4320-00-580-2568 is 4320
Does the NSN 4320-00-580-2568 have a Schedule B code assigned?
Yes, the Schedule B code is 8413919520
Does NSN 4320-00-580-2568 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 4320-00-580-2568 contain precious materials?
Item does not contain precious metal.
Does NSN 4320-00-580-2568 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 4320-00-580-2568 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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