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Sleeve Bushing NSN 3120-01-289-3230

Item Description

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes bushing, drill, jig.

NSN 3120-01-289-3230 NSN: 3120-01-289-3230

Features and Characteristics

Hole Diameter
0.4844 inches third and 0.5156 inches third
Overall Length
1.2500 inches
Body Outside Diameter
Between 4.1230 inches and 4.1240 inches
Body Inside Diameter
Between 2.9540 inches and 2.9550 inches
Flange Outside Diameter
5.5000 inches
Flange Width
0.2500 inches
Corner Shape
Square outside left corner
Surface Finish
63.0 microinches outside diameter surface of body
Antirotation/lubrication Type And Quantity
6 hole
Keyway Dimension
1.2500 inches internal keyway length
Material
Aluminum alloy b443.0
Material Specification
Mil-a-17129, class 2 military specification single material response
Surface Treatment
Chromate
Surface Treatment Specification
Mil-c-5541 military specification single treatment response
Style Designator
22c solid, external flange one end
FSC
3120 Unmounted Plain Bearings
NIIN
012893230
NSN
3120012893230

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1981787
Cage Code:
10001
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8482997060
  • NAICS: 332991
  • SITC: 74699
  • Description: Parts, nesoi, for cylindrical roller bearings, nesoi
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3120-01-289-3230
What are the manufacturers of nsn 3120012893230?
Does this nsn 3120012893230 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120012893230
A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. the overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. for items made of rubber, see bushing, nonmetallic. see also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. excludes bushing, drill, jig.
Does nsn 3120012893230 contain any precious metals?
No precious metal content.
Does nsn 3120012893230 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120012893230?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
13206
FIIG:
A045A0
App. Key:
K
Cond. Code:
2
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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