3120-01-256-4521

Find complete technical information, availability, and procurement data for: 3120-01-256-4521
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-256-4521

Item Name Code

13205

Assigment Date

06/05/1987 (39 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

0.1650 inches minimum overall length, square all corners corner shape, 0.0930 inches minimum and 0.0940 inches maximum body inside diameter, 63.0 microinches inside diameter surface of body surface finish, 0.1550 inches minimum and 0.1560 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: 0.1650 inches minimum
Body Outside Diameter: 0.1550 inches minimum and 0.1560 inches maximum
Body Inside Diameter: 0.0930 inches minimum and 0.0940 inches maximum
Corner Shape: square all corners
Surface Finish: 63.0 microinches inside diameter surface of body
Material: plastic acetal overall
Material Document And Classification: l-p-392 fed spec single material response overall
Style Designator: solid, 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
60710274-1	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-256-4521?

The FSCG of the NSN 3120-01-256-4521 is 3120

Does the NSN 3120-01-256-4521 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-256-4521 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 3120-01-256-4521 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-256-4521 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 3120-01-256-4521 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Fri, Jun 5, 1987