218921 Sleeve Bearing

Comprehensive specifications and application details for: 218921 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: 218921. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 218921
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-986-8180
Item Name Code: 13205
Federal Item Identification Guide: A045A0
Assigment Date: 01/01/1962

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.

4 hole antirotation/lubrication type and quantity, chamfered inside left corner corner shape, square outside left corner corner shape, 0.9446 inches minimum and 0.9451 inches maximum body outside diameter, 0.4386 inches minimum and 0.4391 inches maximum body inside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-986-8180 . Find dimensions, materials, tolerances, performance characteristics, etc.

Antirotation/Lubrication Type And Quantity: 4 hole
Body Inside Diameter: 0.4386 inches minimum and 0.4391 inches maximum
Body Outside Diameter: 0.9446 inches minimum and 0.9451 inches maximum
Corner Shape: chamfered inside left corner
Corner Shape: square outside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Hole Diameter: 0.0400 inches nominal first
Overall Length: 0.5030 inches minimum and 0.5130 inches maximum
Material: carbon overall
Style Designator: solid, plain, no outside flanges
Surface Finish: 125.0 microinches overall

Frequently Asked Questions

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What is the FSCG of the NSN 3120-00-986-8180?: The FSCG of the NSN 3120-00-986-8180 is 3120

Does the NSN 3120-00-986-8180 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-00-986-8180 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 3120-00-986-8180 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-986-8180 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.