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3120-00-031-0843

Find complete technical information, availability, and procurement data for: 3120-00-031-0843

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3120-00-031-0843
Federal Supply Group
Bearings
Federal Supply Classification
3120 Unmounted Plain Bearings
National Stock Number
3120-00-031-0843
Item Name Code
13205
Assigment Date
10/28/1972 (53 years ago)

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.

0.2500 inches minimum and 0.2510 inches maximum body inside diameter, 0.4900 inches minimum and 0.5100 inches maximum flange outside diameter, 0.3756 inches minimum and 0.3761 inches maximum body outside diameter, 0.1720 inches minimum and 0.1870 inches maximum overall length, 0.0570 inches minimum and 0.0620 inches maximum flange width

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Length
0.1720 inches minimum and 0.1870 inches maximum
Body Outside Diameter
0.3756 inches minimum and 0.3761 inches maximum
Body Inside Diameter
0.2500 inches minimum and 0.2510 inches maximum
Flange Outside Diameter
0.4900 inches minimum and 0.5100 inches maximum
Flange Width
0.0570 inches minimum and 0.0620 inches maximum
Corner Shape
square left flange outside right corner
Corner Shape
square outside left corner
Corner Shape
square inside left corner
Corner Shape
square inside right corner
Corner Shape
square outside right corner
Corner Shape
undercut left flange body corner
Surface Finish
125.0 microinches outside diameter surface of flange
Surface Finish
125.0 microinches right end surface of body
Surface Finish
125.0 microinches right end surface of left flange
Surface Finish
63.0 microinches outside diameter surface of body
Special Features
plastic polytetrafluoroethylene / liner bonded to left end surface of body and flange
Material
aluminum alloy 2024 outer layer
Material
plastic polytetrafluoroethylene inner layer
Material Document And Classification
qq-a-225/6 fed spec single material response outer layer
Surface Treatment
anodize outside diameter surface of body
Surface Treatment
anodize outside diameter surface of flange
Surface Treatment
anodize right end surface of body
Surface Treatment
anodize right end surface of left flange
Surface Treatment Document And Classification
mil-a-8625 mil spec single treatment response outside diameter surface of body
Surface Treatment Document And Classification
mil-a-8625 mil spec single treatment response outside diameter surface of flange
Surface Treatment Document And Classification
mil-a-8625 mil spec single treatment response right end surface of body
Surface Treatment Document And Classification
mil-a-8625 mil spec single treatment response right end surface of left flange
Style Designator
solid, external flange one end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3120-00-245-8478 No Name Available 04/01/1976

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
120-12-04-012 Sleeve Bearing
91384-04-012 Sleeve Bearing
ATGF4A012 Sleeve Bearing
FBJW8TF012 Sleeve Bearing
GB528BE4D012 Sleeve Bearing
GDFRDD4-012 Sleeve Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3120-00-031-0843?
The FSCG of the NSN 3120-00-031-0843 is 3120
Does the NSN 3120-00-031-0843 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-031-0843 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 3120-00-031-0843 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-031-0843 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 3120-00-031-0843 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Sat, Oct 28, 1972

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