256418-2

View detailed technical data, stock status, and sourcing information for: 256418-2
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-218-3281

Item Name Code

61082

Assigment Date

01/01/1963 (63 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.

2.2500 inches nominal overall length, 0.7500 inches nominal left internal flange hole diameter, 1.3750 inches nominal body outside diameter, 1.5000 inches nominal left internal flange width, 1.1250 inches nominal body inside 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: 2.2500 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: 1.5000 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
Keyway Dimension: 0.0940 inches nominal internal keyway depth
Keyway Dimension: 0.7500 inches nominal internal keyway length
Material: nickel 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:

Part Number	Name
12890P	Pump Shaft Sleeve
256418-2	Pump Shaft Sleeve
SL6418PC14	Pump Shaft Sleeve

FAQs

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

What is the FSCG of the NSN 4320-00-218-3281?

The FSCG of the NSN 4320-00-218-3281 is 4320

Does the NSN 4320-00-218-3281 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-218-3281 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 4320-00-218-3281 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-218-3281 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 4320-00-218-3281 was assigned to the Federal Catalog?

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