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Sleeve Bearing NSN 3120-00-237-7121

Item Description

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.

NSN 3120-00-237-7121 NSN: 3120-00-237-7121

Features and Characteristics

Hole Diameter
0.2500 inches first
Overall Length
3.8125 inches
Body Outside Diameter
4.3780 inches
Body Inside Diameter
4.1265 inches
Lubrication Material
Lubricating oil
Left Flange Outside Diameter
5.6250 inches
Right Flange Outside Diameter
5.6250 inches
Left Flange Width
0.1406 inches
Right Flange Width
0.1406 inches
Lubricant Accommodation Style
Grooved circular
Corner Shape
Square right flange outside left corner
Antirotation/lubrication Type And Quantity
2 hole
Surface Groove Location And Quantity
1 internal
Material
Steel outer layer
Surface Treatment
Tin outer layer
Style Designator
Split, external flanges both ends
FSC
3120 Unmounted Plain Bearings
NIIN
002377121
NSN
3120002377121

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
012-63229-08
Cage Code:
32770
Status:
A
MSDS:
Part Number:
258945R3
Cage Code:
92679
Status:
A
MSDS:
Part Number:
1763CPA
Cage Code:
01212
Status:
A
MSDS:
Part Number:
6763ACAP
Cage Code:
72546
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8482997090
  • NAICS: 332991
  • SITC: 74699
  • Description: Parts, nesoi, for roller bearings or for combined ball/roller bearings, nesoi
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3120-00-237-7121
What are the manufacturers of nsn 3120002377121?
Does this nsn 3120002377121 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120002377121
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.
Does nsn 3120002377121 contain any precious metals?
No precious metal content.
Does nsn 3120002377121 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120002377121?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
13205
FIIG:
A045A0
App. Key:
D
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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