3120-00-251-1248 Sleeve Bearing

Comprehensive specifications and application details for NSN: 3120-00-251-1248.

Summary

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Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-251-1248
Item Name Code: 13205
Federal Item Identification Guide: A045A0
Assigment Date: 07/16/1969

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

0.3710 inches minimum and 0.3730 inches maximum overall length, square all corners corner shape, 0.3775 inches minimum and 0.3780 inches maximum body inside diameter, 0.8120 inches minimum and 0.8130 inches maximum body outside diameter, 57.0 rockwell c minimum and 60.0 rockwell c maximum overall hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-251-1248 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 0.3775 inches minimum and 0.3780 inches maximum
Body Outside Diameter: 0.8120 inches minimum and 0.8130 inches maximum
Corner Shape: square all corners
Hardness Rating: 57.0 rockwell c minimum and 60.0 rockwell c maximum overall
Overall Length: 0.3710 inches minimum and 0.3730 inches maximum
Material Document And Classification: qq-s-763 fed spec single material response overall
Material: steel comp 440c overall
Style Designator: solid, plain, no outside flanges
Surface Finish: 16.0 microinches inside diameter surface of body
Surface Finish: 16.0 microinches outside diameter surface of body
Surface Finish: 32.0 microinches left end surface of body
Surface Finish: 32.0 microinches right end surface of body

Related Bearings

Explore the various bearing models associated with this NSN. Click on any bearing below to view detailed technical data, performance ratings, and application guidelines.

Part Number	Name
32-71116-7	Sleeve Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-00-251-1248. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-251-1248?: The FSCG of the NSN 3120-00-251-1248 is 3120

Does the NSN 3120-00-251-1248 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-00-251-1248 require demilitarization?: Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).

Does NSN 3120-00-251-1248 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-251-1248 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.