2527235-31

View detailed technical data, stock status, and sourcing information for: 2527235-31
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-310-5279

Item Name Code

13205

Assigment Date

11/07/1989 (36 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.

0.4395 inches minimum and 0.4405 inches maximum body outside diameter, 0.2510 inches minimum and 0.2520 inches maximum body inside diameter, square all corners corner shape, 0.3700 inches minimum and 0.3800 inches maximum overall length, 30.0 rockwell c minimum and 70.0 rockwell c maximum overall hardness rating

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Length: 0.3700 inches minimum and 0.3800 inches maximum
Body Outside Diameter: 0.4395 inches minimum and 0.4405 inches maximum
Body Inside Diameter: 0.2510 inches minimum and 0.2520 inches maximum
Corner Shape: square all corners
Hardness Rating: 30.0 rockwell c minimum and 70.0 rockwell c maximum overall
Surface Finish: 63.0 microinches overall
Special Features: impregnated 18 pct by volume with mil-l-17331
Material: copper alloy or copper alloy 841 overall
Material: oil lubricating lubrication
Material Document And Classification: mil-b-5687,type 1,grade 2 mil spec 1st material response or mil-b-5687,type 1,grade 1 mil spec 2nd 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
2527235-31	Sleeve Bearing
ASTM B439	Sleeve Bearing
MS17795-31	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-310-5279?

The FSCG of the NSN 3120-01-310-5279 is 3120

Does the NSN 3120-01-310-5279 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-310-5279 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 3120-01-310-5279 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-310-5279 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 3120-01-310-5279 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Tue, Nov 7, 1989