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Rod End Plain Bearing NSN 3120-01-253-3040

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 outer member of the assembly is modified to provide a shank. The inner member may be either a plain spherical bearing or a sleeve bearing. Excludes bearing, plain, spherical and bearing, plain, self-aligning.

NSN 3120-01-253-3040 NSN: 3120-01-253-3040

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Shank Style
Internally threaded w/hexagon end and inspection hole
Overall Length
2.0750 inches
Bore Diameter
Between 0.3120 inches and 0.3125 inches
Outer Member Outside Diameter
Between 0.8900 inches and 0.9100 inches
Bore Center To Shank End Distance
Between 1.6150 inches and 1.6350 inches
Outer Member Width
Between 0.3220 inches and 0.3320 inches
Inner Member Width
Between 0.4350 inches and 0.4370 inches
Shank Thread Length
1.0000 inches
Inspection Hole Center To End Distance
Between 0.4170 inches and 0.4570 inches
Shank Width Across Wrench Flats
Between 0.4900 inches and 0.5020 inches
Thread Diameter
0.3125 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
57.0 rockwell c inner member and 63.0 rockwell c inner member
Special Features
Race insert id dry film lubricant per mil-l-8937; rod end body finish not for cres optional material; threads on shank optional thread classification unf-3b
Material
Steel comp e52100 inner member or steel comp 440c inner member
Material Specification
Mil-s-7420 military specification 1st material response inner member or ams-6440 assn standard 1st material response inner member or qq-s-763 federal specification 2nd material response inner member
Surface Treatment
Cadmium rod end body and chromate rod end body or zinc rod end body and chromate rod end body
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification 1st treatment response rod end body or astm b633, type 2 assn standard 2nd treatment response rod end body
Style Designator
Ball type
Thread Series Designator
Unjf
FSC
3120 Unmounted Plain Bearings
NIIN
012533040
NSN
3120012533040

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12349725-1
Cage Code:
19207
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8483308055
  • NAICS: 336310
  • SITC: 74822
  • Description: Transmission shafts: bearing housings, plain shaft bearings with housing, rod end bearings
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3120-01-253-3040
What are the manufacturers of nsn 3120012533040?
Does this nsn 3120012533040 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120012533040
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 outer member of the assembly is modified to provide a shank. the inner member may be either a plain spherical bearing or a sleeve bearing. excludes bearing, plain, spherical and bearing, plain, self-aligning.
Does nsn 3120012533040 contain any precious metals?
No precious metal content.
Does nsn 3120012533040 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120012533040?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
13209
FIIG:
A045A0
App. Key:
A
Cond. Code:
1
Status:
A

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