3120-01-218-3821

Comprehensive specifications and application details for NSN: 3120-01-218-3821.

Summary

Explore detailed summary information for bearing: 3120-01-218-3821. 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
3120-01-218-3821
Item Name Code
13205
Federal Item Identification Guide
A045A0
Assigment Date
10/11/1985

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.

1.3780 inches minimum and 1.3782 inches maximum body outside diameter, relief groove left flange body corner corner shape, chamfered inside right corner corner shape, 1.0003 inches minimum and 1.0006 inches maximum body inside diameter, chamfered outside right corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-218-3821 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
1.0003 inches minimum and 1.0006 inches maximum
Body Outside Diameter
1.3780 inches minimum and 1.3782 inches maximum
Corner Shape
chamfered outside right corner
Corner Shape
chamfered inside right corner
Corner Shape
relief groove left flange body corner
Corner Shape
square left flange outside right corner
Corner Shape
square outside left corner
Corner Shape
square inside left corner
Flange Outside Diameter
2.3650 inches minimum and 2.3750 inches maximum
Flange Width
0.1240 inches minimum and 0.1250 inches maximum
Lubricant Accommodation Style
grooved circular
Overall Length
1.0930 inches minimum and 1.0940 inches maximum
Material Document And Classification
aisi 8620 assn std single material response overall
Material
steel comp 8620 overall
Special Features
left end surface flange 2.375 od by 0.09 thick; right end surface flange 1.75 od by 0.125 thick
Style Designator
solid, external flange one end
Surface Finish
16.0 microinches inside diameter surface of body
Surface Finish
16.0 microinches right end surface of flange
Surface Finish
16.0 microinches outside diameter surface of body
Surface Groove Location And Quantity
1 external
Surface Treatment Document And Classification
mil-c-13924,class 1,black mil spec single treatment response overall
Surface Treatment
oxide overall

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-01-218-3821. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-218-3821?
The FSCG of the NSN 3120-01-218-3821 is 3120
Does the NSN 3120-01-218-3821 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-01-218-3821 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 3120-01-218-3821 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-218-3821 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.
When the NSN 3120-01-218-3821 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Fri, Oct 11, 1985

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