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Sleeve Bearing NSN 3120-00-318-7238

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 3120-00-318-7238 NSN: 3120-00-318-7238

Features and Characteristics

Overall Length
3.8120 inches
Body Outside Diameter
Between 2.3740 inches and 2.3750 inches
Body Inside Diameter
Between 1.8125 inches and 1.8130 inches
Lubricant Accommodation Style
Grooved circular
Corner Shape
Square outside right corner
Hardness Rating
48.0 rockwell c and 50.0 rockwell c
Surface Finish
6.0 microinches
Keyway Dimension
0.1410 inches internal keyway depth
Special Features
Flycut 0.5000 in. Radius by 0.1875 in. W. At end of keyway, left end of bore counterbored 2.0620 in. Min. 2.0640 in. Max. Dia. By 0.2500 in. Deep
Material
Steel comp 420
Style Designator
Solid, plain, no outside flanges
FSC
3120 Unmounted Plain Bearings
NIIN
003187238
NSN
3120003187238

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
14979P
Cage Code:
93232
Status:
A
MSDS:
Part Number:
CS4320-0199
Cage Code:
16236
Status:
A
MSDS:
Part Number:
40350
Cage Code:
54402
Status:
A
MSDS:
Part Number:
157432693-13
Cage Code:
52081
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 3120-00-318-7238
What are the manufacturers of nsn 3120003187238?
Does this nsn 3120003187238 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120003187238
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 3120003187238 contain any precious metals?
Precious metal content is unknown.
Does nsn 3120003187238 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120003187238?
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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