Model: ST4M208-4

Rod End Plain Bearing

Properties:

Thread Class
3b
Thread Direction
Right-hand
Shank Style
Internally threaded w/hexagon end and inspection hole
Overall Length
2.4700 inches
Bore Diameter
0.2500 inches
Outer Member Outside Diameter
0.6250 inches
Bore Center To Shank End Distance
1.3380 inches
Outer Member Width
0.2600 inches
Inner Member Width
0.3430 inches
Shank Thread Length
0.6250 inches
Inspection Hole Center To End Distance
0.3120 inches
Shank Width Across Wrench Flats
0.3290 inches
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Hardness Rating
39.0 rockwell c body and 42.0 rockwell c body
Hardness Rating
55.0 rockwell c inner member and 62.0 rockwell c inner member
Lubrication Feature
Self-lubricating liner bore liner
Material
Plastic polytetrafluoroethylene race liner
Material
Steel comp 4340 body
Material
Steel comp 440c inner member
Material Specification
Mil-s-5000 military specification single material response body
Surface Treatment
Cadmium body
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification single treatment response body
Style Designator
Ball type
Thread Series Designator
Unjf
NSN
3120-01-439-5041
Part Number
ST4M208-4
Description
Bearing,plain,rod End
CAGE
76301

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.

Part ST4M208-4 NSN 3120-01-439-5041

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13209
FIIG:
A045A0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8483308055
  • SITC: 74822
  • End Use: Industrial machines, other
  • NAICS: 336310
  • USDA: 1

Freight Class: Transmission shafts: bearing housings, plain shaft bearings with housing, rod end bearings

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