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Sleeve Bearing NSN 3120-00-872-4639

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 3120-00-872-4639 NSN: 3120-00-872-4639

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Features and Characteristics

Hole Diameter
0.2500 inches first
Overall Length
2.2500 inches
Body Outside Diameter
Between 3.4369 inches and 3.4378 inches
Body Inside Diameter
Between 2.9380 inches and 2.9390 inches
Lubrication Material
Grease
Flange Outside Diameter
4.7500 inches
Flange Width
Between 0.2450 inches and 0.2500 inches
Lubricant Accommodation Style
Grooved open one end
Corner Shape
Square outside right corner
Antirotation/lubrication Type And Quantity
3 hole
Surface Groove Location And Quantity
1 internal
Special Features
Holes equally spaced on 4.1250 in. Bolt circle dia, holes countersunk for 0.2500 in. Flat head machine screw
Material
Copper alloy 932
Material Specification
Sae assn standard single material response
Style Designator
22c solid, external flange one end
FSC
3120 Unmounted Plain Bearings
NIIN
008724639
NSN
3120008724639

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
W10327PC25
Cage Code:
34712
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 3120-00-872-4639
What are the manufacturers of nsn 3120008724639?
Does this nsn 3120008724639 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120008724639
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 3120008724639 contain any precious metals?
Precious metal content is unknown.
Does nsn 3120008724639 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120008724639?
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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