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Self-aligning Plain Bearing NSN 3120-01-391-6755

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 3120-01-391-6755 NSN: 3120-01-391-6755

Features and Characteristics

Bore Diameter
Between 0.3745 inches and 0.3750 inches
Lubrication Material
Grease, mil-g-81322
Outer Member Outside Diameter
Between 0.8120 inches and 0.8125 inches
Outer Member Width
Between 0.3070 inches and 0.3120 inches
Inner Member Width
Between 0.4010 inches and 0.4060 inches
Hardness Rating
37.0 rockwell c inner member
Lubrication Feature
Groove outer race member
Material
Copper alloy
Style Designator
Without insert or liner
Specification Data
81349-mil-b-81936/2 government specification
FSC
3120 Unmounted Plain Bearings
NIIN
013916755
NSN
3120013916755

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
M81936-2-6R
Cage Code:
81349
Status:
A
MSDS:
Part Number:
MIL-B-81936/2
Cage Code:
81349
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 3120-01-391-6755
What are the manufacturers of nsn 3120013916755?
Does this nsn 3120013916755 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120013916755
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 3120013916755 contain any precious metals?
No precious metal content.
Does nsn 3120013916755 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120013916755?
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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