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Self-aligning Plain Bearing NSN 3120-01-056-2976

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 3120-01-056-2976 NSN: 3120-01-056-2976

  Stock Availability

NSN 3120010562976 availability
(as of 02/09/2023).

  • NS: 2
  • NE: 11

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Bore Diameter
Between 0.3745 inches and 0.3750 inches
Lubrication Material
Grease, mil-g-21164
Outer Member Outside Diameter
Between 0.8120 inches and 0.8125 inches
Outer Member Width
Between 0.3380 inches and 0.3430 inches
Inner Member Width
Between 0.4320 inches and 0.4370 inches
Style Designator
Without insert or liner
FSC
3120 Unmounted Plain Bearings
NIIN
010562976
NSN
3120010562976

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SAE AS21155
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AS21155
Cage Code:
81343
Status:
A
MSDS:
Part Number:
MS21155-S6
Cage Code:
81343
Status:
A
MSDS:
Part Number:
MS21155S6
Cage Code:
96906
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 3120-01-056-2976
What are the manufacturers of nsn 3120010562976?
Does this nsn 3120010562976 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120010562976
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 3120010562976 contain any precious metals?
Precious metal content is unknown.
Does nsn 3120010562976 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120010562976?
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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