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Self-aligning Plain Bearing NSN 3120-01-539-3791

Item Description

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes bearing, plain, rod end and bearing, plain, spherical.

NSN 3120-01-539-3791 NSN: 3120-01-539-3791

Features and Characteristics

Bore Diameter
2.2500 inches
End Application
C-17a aircraft
Outer Member Outside Diameter
Between 4.1240 inches and 4.1250 inches
Outer Member Width
2.2390 inches
Inner Member Width
Between 2.7770 inches and 2.7830 inches
Part Name Assigned By Controlling Agency
Bearing, plain, spherical-loader slot assembly, 2.250 bore
Special Features
Locking ring; flange opp. End 4.61in dia.0.205 in. Thick
Material
Steel
Style Designator
Without insert or liner
FSC
3120 Unmounted Plain Bearings
NIIN
015393791
NSN
3120015393791

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
P2A2290
Cage Code:
57606
Status:
A
MSDS:
Part Number:
4D0158-1
Cage Code:
88277
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8482300040
  • NAICS: 332991
  • SITC: 74630
  • Description: Spherical roller bearings, single row
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3120-01-539-3791
What are the manufacturers of nsn 3120015393791?
Does this nsn 3120015393791 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120015393791
A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. it is used to carry a load and to reduce sliding friction. it does not employ rolling elements. the item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. the assembly may be either separable or nonseparable. excludes bearing, plain, rod end and bearing, plain, spherical.
Does nsn 3120015393791 contain any precious metals?
No precious metal content.
Does nsn 3120015393791 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120015393791?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
13208
FIIG:
A045A0
App. Key:
B
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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