128258 Sleeve Bearing

Comprehensive specifications and application details for: 128258 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: 128258. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 128258
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-478-9451
Item Name Code: 13205
Federal Item Identification Guide: A045A0
Assigment Date: 01/01/1963

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.

1.8975 inches minimum and 1.8980 inches maximum body outside diameter, 0.8890 inches minimum and 0.8940 inches maximum overall length, round all corners corner shape, 1.2885 inches minimum and 1.2895 inches maximum body inside diameter, 55.0 rockwell c minimum and 58.0 rockwell c maximum overall hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-478-9451 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 1.2885 inches minimum and 1.2895 inches maximum
Body Outside Diameter: 1.8975 inches minimum and 1.8980 inches maximum
Corner Shape: round all corners
Hardness Rating: 55.0 rockwell c minimum and 58.0 rockwell c maximum overall
Overall Length: 0.8890 inches minimum and 0.8940 inches maximum
Material Document And Classification: ams 5610 assn std single material response overall
Material: steel comp 416se overall
Precious Material: silver
Style Designator: solid, plain, no outside flanges
Surface Treatment: silver overall

Frequently Asked Questions

Find quick answers to common questions about bearing: 128258. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-478-9451?: The FSCG of the NSN 3120-00-478-9451 is 3120

Does the NSN 3120-00-478-9451 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-00-478-9451 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 3120-00-478-9451 contain precious materials?: Item contains silver.

Does NSN 3120-00-478-9451 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.