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Wearing Ring NSN 4320-00-950-9305

Item Description

A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.

NSN 4320-00-950-9305 NSN: 4320-00-950-9305

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Features and Characteristics

Body Style
Plain
Chamfer Length
0.094 inches inside left corner
Overall Length
1.000 inches
Body Outside Diameter
Between 3.379 inches and 3.381 inches
Body Inside Diameter
Between 3.000 inches and 3.001 inches
Corner Shape
Square outside right corner
Surface Finish
20.0 microinches outside
Chamfer Angle
45.0 degrees inside right corner
Material
Steel
Material Specification
Qq-s-763, class 410, cond a federal specification single material response
FSC
4320 Power And Hand Pumps
NIIN
009509305
NSN
4320009509305

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
121456
Cage Code:
10171
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8413919520
  • NAICS: 333911
  • SITC: 74291
  • Description: Parts, nesoi, of pumps for liquids
  • End Use (Code 21100):
    Industrial engines

Q & A

Frequently asked questions for NSN 4320-00-950-9305
What are the manufacturers of nsn 4320009509305?
Does this nsn 4320009509305 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320009509305
A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. it is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. it may also be used as a diffuser ring in the suction and discharge throats of valves.
Does nsn 4320009509305 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320009509305 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320009509305?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22534
FIIG:
A19900
App. Key:
A
Cond. Code:
2
Status:
A

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