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Self-aligning Plain Bearing NSN 3120-00-903-9979

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 3120-00-903-9979 NSN: 3120-00-903-9979

Features and Characteristics

Bore Diameter
Between 0.2500 inches and 0.2505 inches
Outer Member Outside Diameter
Between 0.7769 inches and 0.7774 inches
Outer Member Width
Between 0.3870 inches and 0.3920 inches
Inner Member Width
Between 0.4950 inches and 0.5000 inches
Hardness Rating
50.0 rockwell c
Material
Stainless steel
Surface Treatment
Chromium inner member
Style Designator
Without insert or liner
FSC
3120 Unmounted Plain Bearings
NIIN
009039979
NSN
3120009039979

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
534668
Cage Code:
77445
Status:
A
MSDS:
Part Number:
2181751
Cage Code:
15860
Status:
A
MSDS:
Part Number:
2181750
Cage Code:
77445
Status:
A
MSDS:
Part Number:
ASSB4-7
Cage Code:
15860
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 3120-00-903-9979
What are the manufacturers of nsn 3120009039979?
Does this nsn 3120009039979 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120009039979
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 3120009039979 contain any precious metals?
Precious metal content is unknown.
Does nsn 3120009039979 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120009039979?
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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