L21 Sleeve Bearing

Comprehensive specifications and application details for: L21 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: L21. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: L21
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-218-4177
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.

3.3125 inches nominal flange outside diameter, square all corners corner shape, 1.5000 inches nominal body outside diameter, 0.3750 inches nominal flange width, 0.8750 inches nominal body inside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-218-4177 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 0.8750 inches nominal
Body Outside Diameter: 1.5000 inches nominal
Corner Shape: square all corners
Flange Outside Diameter: 3.3125 inches nominal
Flange Width: 0.3750 inches nominal
Keyway Dimension: 0.0937 inches nominal internal keyway depth
Keyway Dimension: 0.1875 inches nominal internal keyway width
Keyway Dimension: 1.7500 inches nominal internal keyway length
Overall Length: 2.2500 inches nominal
Material: copper alloy overall
Special Features: two mtg holes in the flange,0.3750 in. dia,2.5000in. center to center
Style Designator: solid, external flange one end

Frequently Asked Questions

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What is the FSCG of the NSN 3120-00-218-4177?: The FSCG of the NSN 3120-00-218-4177 is 3120

Does the NSN 3120-00-218-4177 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-00-218-4177 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 3120-00-218-4177 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-218-4177 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.