439B656 PIECE 21

View detailed technical data, stock status, and sourcing information for: 439B656 PIECE 21
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-241-0864

Item Name Code

13205

Assigment Date

09/22/1986 (39 years ago)

1.2500 inches nominal overall length, 63.0 microinches outside diameter surface of body surface finish, 1.6560 inches minimum and 1.6570 inches maximum body outside diameter, square all corners corner shape, 1.4990 inches minimum and 1.5000 inches maximum 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: 1.2500 inches nominal
Body Outside Diameter: 1.6560 inches minimum and 1.6570 inches maximum
Body Inside Diameter: 1.4990 inches minimum and 1.5000 inches maximum
Corner Shape: square all corners
Surface Finish: 63.0 microinches outside diameter surface of body
Material: plastic polytetrafluoroethylene and lead and copper alloy inner layer
Material: steel outer layer
Style Designator: split, plain, no outside flanges

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
439B656 PIECE 21	Sleeve Bearing
439B656-21	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-241-0864?

The FSCG of the NSN 3120-01-241-0864 is 3120

Does the NSN 3120-01-241-0864 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-241-0864 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 3120-01-241-0864 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-241-0864 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 3120-01-241-0864 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Mon, Sep 22, 1986