478-81PC478-26H

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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-343-7767

Item Name Code

13205

Assigment Date

01/01/1963 (63 years ago)

A weight designed to overcome static and/or dynamic unbalance of a rotating part or a rotating assembly. It may be of various shapes and designs.

0.2500 inches nominal first hole diameter, 2.2500 inches nominal flange outside diameter, 1.2550 inches minimum and 1.2560 inches maximum body inside diameter, 2.5000 inches nominal overall length, 1.6260 inches minimum and 1.6270 inches maximum 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.

Hole Diameter: 0.2500 inches nominal first
Overall Length: 2.5000 inches nominal
Body Outside Diameter: 1.6260 inches minimum and 1.6270 inches maximum
Body Inside Diameter: 1.2550 inches minimum and 1.2560 inches maximum
Flange Outside Diameter: 2.2500 inches nominal
Flange Width: 0.2500 inches nominal
Lubricant Accommodation Style: grooved open one end
Corner Shape: chamfered outside right corner
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
Antirotation/Lubrication Type And Quantity: 4 hole and 4 slot
Surface Groove Location And Quantity: 4 internal
Special Features: slots in left end surface of body and flange
Material: copper alloy overall
Style Designator: solid, external 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
478-123PC478-26H	Sleeve Bearing
478-128PC478-26H	Sleeve Bearing
478-143PC478-26H	Sleeve Bearing
478-26H	Sleeve Bearing
478-76PC478-26H	Sleeve Bearing
478-81PC478-26H	Sleeve Bearing
478-96PC478-26H	Sleeve Bearing
CS3950-0011	Sleeve Bearing
S2000-519082PC478-26H	Sleeve Bearing
S2000-519082PC47H69VULC50043	Sleeve Bearing
S2000-519098PC478-26H	Sleeve Bearing
S2000-519098PC47H69VULC50043	Sleeve Bearing
S2000-538133PC478-26H	Sleeve Bearing
S2000-538133PC47H69VULC50043	Sleeve Bearing
S2000-678802PC2	Sleeve Bearing
S2000-690553PC478-26H	Sleeve Bearing
S2000-690553PC47H69VULC50043	Sleeve Bearing
S2000-690558PC478-26H	Sleeve Bearing
S2000-690558PC47H69VULC50043	Sleeve Bearing
S2000-690573PC478-26H	Sleeve Bearing
S2000-690573PC47H69VULC50043	Sleeve Bearing
S2000-691916PC285	Sleeve Bearing
S2000-691916PC28H69VULC50043	Sleeve Bearing
V309PC2	Sleeve Bearing
V708PC285	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-343-7767?

The FSCG of the NSN 3120-00-343-7767 is 3120

Does the NSN 3120-00-343-7767 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-343-7767 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 3120-00-343-7767 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-343-7767 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 3120-00-343-7767 was assigned to the Federal Catalog?

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