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Self-aligning Plain Bearing NSN 3120-01-215-4420

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 3120-01-215-4420 NSN: 3120-01-215-4420

Features and Characteristics

Bore Diameter
Between 0.2500 inches and 0.2502 inches
Lubrication Material
Lubricating oil, mil-l-6085
Outer Member Outside Diameter
0.4850 inches
Outer Member Width
Between 0.2660 inches and 0.2760 inches
Inner Member Width
Between 0.4710 inches and 0.5930 inches
Hardness Rating
57.0 rockwell c and 61.0 rockwell c inner member
Lubrication Feature
Groove inside diameter surface of race insert
Special Features
Radial clearance shall be 0.0001 to 0.0005 in.; race ends threaded 0.750-16-unf 2a ground thd; peacekeeper stage iv s
Material
Steel comp 630 race insert
Material Specification
Ams 5643 assn standard single material response race insert
Surface Treatment
Chromium spherical surface of race insert
Surface Treatment Specification
Qq-c-320, class 1 federal specification single treatment response spherical surface of race insert
Style Designator
Without insert or liner
FSC
3120 Unmounted Plain Bearings
NIIN
012154420
NSN
3120012154420

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
131-0403-002
Cage Code:
94756
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 3120-01-215-4420
What are the manufacturers of nsn 3120012154420?
Does this nsn 3120012154420 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120012154420
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 3120012154420 contain any precious metals?
No precious metal content.
Does nsn 3120012154420 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120012154420?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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