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Sleeve Bushing NSN 3120-00-439-0081

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 3120-00-439-0081 NSN: 3120-00-439-0081

Features and Characteristics

Hole Diameter
0.0973 inches first
Overall Length
Between 2.1900 inches and 2.1950 inches
Body Outside Diameter
Between 2.5025 inches and 2.5035 inches
Body Inside Diameter
Between 2.2940 inches and 2.3040 inches
Lubricant Accommodation Style
Grooved circular
Corner Shape
Square all corners
Surface Finish
125.0 microinches intermediate layer
Antirotation/lubrication Type And Quantity
6 hole
Surface Groove Location And Quantity
1 external and 1 internal
Material
Copper alloy 670
Material Specification
Qq-b-728 cl b comp hard/d/ federal specification single material response
Surface Treatment
Cadmium outside diameter surface of body
Style Designator
Solid, plain, no outside flanges
FSC
3120 Unmounted Plain Bearings
NIIN
004390081
NSN
3120004390081

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12L9533-9
Cage Code:
81755
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 3120-00-439-0081
What are the manufacturers of nsn 3120004390081?
Does this nsn 3120004390081 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120004390081
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 3120004390081 contain any precious metals?
Precious metal content is unknown.
Does nsn 3120004390081 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120004390081?
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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