A51B21709-25 Sleeve Bearing

Comprehensive specifications and application details for: A51B21709-25 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: A51B21709-25. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: A51B21709-25
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-197-1021
Item Name Code: 13205
Federal Item Identification Guide: A045A0
Assigment Date: 12/18/1984

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.

1.1875 inches minimum and 1.1895 inches maximum body inside diameter, 0.7400 inches minimum and 0.7500 inches maximum overall length, square all corners corner shape, 39.0 rockwell c minimum and 45.0 rockwell c maximum overall hardness rating, 1.5010 inches minimum and 1.5020 inches maximum body outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-197-1021 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 1.1875 inches minimum and 1.1895 inches maximum
Body Outside Diameter: 1.5010 inches minimum and 1.5020 inches maximum
Corner Shape: square all corners
Hardness Rating: 39.0 rockwell c minimum and 45.0 rockwell c maximum overall
Overall Length: 0.7400 inches minimum and 0.7500 inches maximum
Material Document And Classification: aisi assn std single material response overall
Material Document And Classification: mil-l-8937 mil spec single material response lubrication
Material: lubricant dry film lubrication
Material: steel comp 410 or steel comp 416 overall
Special Features: both ends counterbored 1.4515 in. dia nom,0.0525 in. deep nom
Style Designator: solid, plain, no outside flanges
Surface Finish: 63.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches outside diameter surface of body
Surface Treatment Document And Classification: mil-s-5002 mil spec single treatment response overall
Surface Treatment: passivate overall

Frequently Asked Questions

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What is the FSCG of the NSN 3120-01-197-1021?: The FSCG of the NSN 3120-01-197-1021 is 3120

Does the NSN 3120-01-197-1021 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-01-197-1021 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 3120-01-197-1021 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-197-1021 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.