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Self-aligning Plain Bearing NSN 3120-00-402-8971

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 3120-00-402-8971 NSN: 3120-00-402-8971

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Major End Items End items to which 3120-00-402-8971 is a component of

  • 04F Stratofortress B-52 Aircraft
  • 11F Galaxy C-5 Aircraft
  • N/A Landing Gear Drag Link

Features and Characteristics

Bore Diameter
Between 2.9990 inches and 3.0000 inches
Outer Member Outside Diameter
Between 4.7472 inches and 4.7480 inches
Outer Member Width
Between 2.2500 inches and 2.2600 inches
Inner Member Width
Between 2.6200 inches and 2.6250 inches
Static Radial Load Rating
582000 pounds
Special Features
Plastic, polytetrafluoroethylene, self-lubricated liner bonded to id of inner member
Material
Steel comp 630 outer race member
Style Designator
With insert and/or liner with staking groove
FSC
3120 Unmounted Plain Bearings
NIIN
004028971
NSN
3120004028971

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NRG48
Cage Code:
73134
Status:
A
MSDS:
Part Number:
KSC506948B
Cage Code:
50632
Status:
A
MSDS:
Part Number:
KMDB48-20
Cage Code:
97613
Status:
A
MSDS:
Part Number:
LDS48E-151
Cage Code:
16746
Status:
A
MSDS:
Part Number:
KSBN48-20
Cage Code:
97613
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 3120-00-402-8971
What are the manufacturers of nsn 3120004028971?
Does this nsn 3120004028971 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120004028971
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 3120004028971 contain any precious metals?
No precious metal content.
Does nsn 3120004028971 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120004028971?
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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