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3120-01-212-6181

Find complete technical information, availability, and procurement data for: 3120-01-212-6181

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3120-01-212-6181
Federal Supply Group
Bearings
Federal Supply Classification
3120 Unmounted Plain Bearings
National Stock Number
3120-01-212-6181
Item Name Code
13205
Assigment Date
07/15/1985 (41 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.

1.7500 inches minimum and 1.7520 inches maximum body inside diameter, 2.3740 inches minimum and 2.3750 inches maximum body outside diameter, 0.1875 inches nominal first hole diameter, 10.7500 inches nominal overall length, 0.4062 inches nominal second hole diameter

Product Characteristics

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

Hole Diameter
0.1875 inches nominal first
Hole Diameter
0.4062 inches nominal second
Overall Length
10.7500 inches nominal
Body Outside Diameter
2.3740 inches minimum and 2.3750 inches maximum
Body Inside Diameter
1.7500 inches minimum and 1.7520 inches maximum
Flange Outside Diameter
4.0000 inches nominal
Flange Width
0.3750 inches nominal
Lubricant Accommodation Style
grooved circular
Corner Shape
square all corners
Surface Finish
32.0 microinches inside diameter surface of body
Surface Finish
63.0 microinches outside diameter surface of body
Antirotation/Lubrication Type And Quantity
8 hole
Surface Groove Location And Quantity
2 internal
Special Features
reduced outside body diameter in three places 2.250 in. dia; 4 0.8125 holes thru flange face,3.187 in. dia bolt circle
Material
copper alloy overall
Material
grease lubrication
Material Document And Classification
bearium b-8,fscm 85373 mfr ref single material response overall
Style Designator
solid, external flange one end

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
77643-70X3 PIECE 9 Sleeve Bearing
SSN637-501-2143868 PIECE 9 Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-212-6181?
The FSCG of the NSN 3120-01-212-6181 is 3120
Does the NSN 3120-01-212-6181 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-01-212-6181 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 3120-01-212-6181 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-212-6181 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 3120-01-212-6181 was assigned to the Federal Catalog?
It was assigned 41 years ago, on Mon, Jul 15, 1985

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