1881B278

View detailed technical data, stock status, and sourcing information for: 1881B278
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-188-5831

Item Name Code

13206

Assigment Date

09/06/1984 (41 years ago)

0.6729 inches nominal overall length, 2.6250 inches nominal flange outside diameter, 1.9700 inches minimum and 1.9750 inches maximum body inside diameter, 0.0890 inches minimum and 0.0900 inches maximum flange width, 2.1894 inches minimum and 2.1911 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.

Overall Length: 0.6729 inches nominal
Body Outside Diameter: 2.1894 inches minimum and 2.1911 inches maximum
Body Inside Diameter: 1.9700 inches minimum and 1.9750 inches maximum
Flange Outside Diameter: 2.6250 inches nominal
Flange Width: 0.0890 inches minimum and 0.0900 inches maximum
Corner Shape: chamfered inside left 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 right corner
Corner Shape: square outside right corner
Surface Finish: 32.0 microinches outside diameter surface of body
Material: copper alloy 630 overall
Surface Treatment: cadmium outside diameter surface of body
Surface Treatment: cadmium right end surface of left flange
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
1881B278	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-188-5831?

The FSCG of the NSN 3120-01-188-5831 is 3120

Does the NSN 3120-01-188-5831 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-188-5831 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 3120-01-188-5831 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-188-5831 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 3120-01-188-5831 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Thu, Sep 6, 1984