3120-01-026-3179

Find complete technical information, availability, and procurement data for: 3120-01-026-3179
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-026-3179

Item Name Code

13205

Assigment Date

08/21/1976 (50 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.

1.4950 inches minimum and 1.4970 inches maximum overall length, 125.0 microinches left end surface of body surface finish, square all corners corner shape, 2.6930 inches minimum and 2.6940 inches maximum body outside diameter, 2.5050 inches minimum and 2.5080 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: 1.4950 inches minimum and 1.4970 inches maximum
Body Outside Diameter: 2.6930 inches minimum and 2.6940 inches maximum
Body Inside Diameter: 2.5050 inches minimum and 2.5080 inches maximum
Corner Shape: square all corners
Surface Finish: 125.0 microinches left end surface of body
Surface Finish: 125.0 microinches right end surface of body
Material: copper alloy and lead and plastic polytetrafluoroethylene inner layer
Material: copper alloy intermediate layer
Material: steel outer layer
Style Designator: segmented, plain, no outside flanges

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2825-01-029-1345	No Name Available	12/01/2023

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
439B824-8	Sleeve Bearing
439B824PC8	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-026-3179?

The FSCG of the NSN 3120-01-026-3179 is 3120

Does the NSN 3120-01-026-3179 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-026-3179 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 3120-01-026-3179 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-026-3179 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 3120-01-026-3179 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Sat, Aug 21, 1976