D243

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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-065-5640

Item Name Code

61082

Assigment Date

01/01/1963 (63 years ago)

A tubular shaped metallic item designed to provide a replaceable wearing surface for a centrifugal pump shaft. See also bearing, sleeve; bushing, sleeve; and spacer, sleeve.

2.0000 inches nominal flange outside diameter, 3.6880 inches nominal flange width, 1.8750 inches nominal body outside diameter, 4.5625 inches nominal overall length, 1.6250 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: 4.5625 inches nominal
Body Outside Diameter: 1.8750 inches nominal
Body Inside Diameter: 1.6250 inches nominal
Flange Outside Diameter: 2.0000 inches nominal
Flange Width: 3.6880 inches nominal
Left Internal Flange Hole Diameter: 1.0470 inches nominal
Left Internal Flange Width: 0.6870 inches nominal
Lubricant Accommodation Style: grooved circular
Corner Shape: square left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Surface Finish: 125.0 microinches inside diameter surface of body
Surface Finish: 125.0 microinches outside diameter surface of flange
Surface Finish: 125.0 microinches right end surface of body
Surface Finish: 125.0 microinches right end surface of left flange
Surface Finish: 16.0 microinches left end surface of body
Surface Finish: 16.0 microinches outside diameter surface of body
Surface Groove Location And Quantity: 1 internal
Keyway Dimension: 0.0980 inches nominal internal keyway depth
Keyway Dimension: 0.2500 inches nominal internal keyway length
Special Features: 1 additional groove on external flange,0.1250 in. dp,0.0940 in. w
Material: steel corrosion resisting overall
Style Designator: solid, external flange one end, 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
D243	Pump Shaft Sleeve
NA-19379	Pump Shaft Sleeve
R1117PC43	Pump Shaft Sleeve

FAQs

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

What is the FSCG of the NSN 4320-00-065-5640?

The FSCG of the NSN 4320-00-065-5640 is 4320

Does the NSN 4320-00-065-5640 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-065-5640 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 4320-00-065-5640 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-065-5640 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 4320-00-065-5640 was assigned to the Federal Catalog?

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