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Sleeve Bearing NSN 3120-01-031-8353

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 3120-01-031-8353 NSN: 3120-01-031-8353

Features and Characteristics

Overall Length
Between 0.3380 inches and 0.3480 inches
Body Outside Diameter
Between 0.5030 inches and 0.5070 inches
Body Inside Diameter
Between 0.3700 inches and 0.3740 inches
Left Internal Flange Hole Diameter
Between 0.2550 inches and 0.2570 inches
Right Internal Flange Hole Diameter
Between 0.2550 inches and 0.2570 inches
Left Internal Flange Width
0.0600 inches
Right Internal Flange Width
0.2030 inches
Left Flange Outside Diameter
Between 0.6180 inches and 0.6200 inches
Right Flange Outside Diameter
Between 0.6180 inches and 0.6200 inches
Left Flange Width
0.1930 inches
Right Flange Width
0.0500 inches
Corner Shape
Square all corners
Criticality Code Justification
Zzzw
Surface Finish
63.0 microinches right end surface of left flange
Material
Aluminum alloy 6061
Surface Treatment
Anodize
Style Designator
18c-3 solid, external flanges both ends, internal flange at both ends
Departure From Cited Document
As modified by special quality control testing for mk 48 torpedo
FSC
3120 Unmounted Plain Bearings
NIIN
010318353
NSN
3120010318353

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2505394
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: 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 3120-01-031-8353
What are the manufacturers of nsn 3120010318353?
Does this nsn 3120010318353 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120010318353
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 3120010318353 contain any precious metals?
No precious metal content.
Does nsn 3120010318353 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120010318353?
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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