3120-01-221-1860 Sleeve Bearing

Comprehensive specifications and application details for NSN: 3120-01-221-1860.

Summary

Explore detailed summary information for bearing: 3120-01-221-1860. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-221-1860
Item Name Code: 13205
Federal Item Identification Guide: A045A0
Assigment Date: 11/25/1985

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.

4.3760 inches minimum and 4.3770 inches maximum body inside diameter, chamfered outside right corner corner shape, chamfered inside left corner corner shape, 3 hole antirotation/lubrication type and quantity, 5.5000 inches nominal body outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-221-1860 . Find dimensions, materials, tolerances, performance characteristics, etc.

Antirotation/Lubrication Type And Quantity: 3 hole
Body Inside Diameter: 4.3760 inches minimum and 4.3770 inches maximum
Body Outside Diameter: 5.5000 inches nominal
Corner Shape: chamfered outside right corner
Corner Shape: chamfered inside left corner
Corner Shape: chamfered inside right corner
Corner Shape: square left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Flange Outside Diameter: 5.8125 inches nominal
Flange Width: 0.2500 inches nominal
Hole Diameter: 0.1250 inches nominal first
Hole Diameter: 0.7500 inches nominal second
Hole Diameter: 0.7500 inches nominal third
Left Internal Flange Hole Diameter: 4.0000 inches nominal
Left Internal Flange Width: 3.1875 inches nominal
Lubricant Accommodation Style: grooved circular
Overall Length: 7.8750 inches nominal
Material Document And Classification: qq-c-00465 fed spec all material responses overall
Material: copper alloy 606 or copper alloy 614 or copper alloy 630 or copper alloy 642 overall
Special Features: both 0.750 inch holeslocated 18o deg apart; two holes 0.250 inch dia-20unc-2b by 0.375 inch deep,180 deg apart on flange face
Style Designator: solid, external flange one end, internal flange one end
Surface Finish: 32.0 microinches internal surfaces
Surface Finish: 63.0 microinches outside diameter surface of body
Surface Groove Location And Quantity: 3 external and 3 internal

Replaces

The NSN 3120-01-221-1860 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-01-220-1717	No Name Available	12/01/1992

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
2118955 PIECE 3	Sleeve Bearing
522-2118955 PIECE 3	Sleeve Bearing
76643-67X4 PIECE 3	Sleeve Bearing
SSBN640-522-2118955 PIECE 3	Sleeve Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-01-221-1860. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-221-1860?: The FSCG of the NSN 3120-01-221-1860 is 3120

Does the NSN 3120-01-221-1860 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-01-221-1860 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 3120-01-221-1860 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-221-1860 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.