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Wearing Ring NSN 4320-00-202-8840

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 4320-00-202-8840 NSN: 4320-00-202-8840

Features and Characteristics

Body Style
Plain w/internal flange
Overall Length
0.875 inches
Body Outside Diameter
5.753 inches
Body Inside Diameter
Between 5.370 inches and 5.371 inches
Internal Flange Inside Diameter
Between 5.355 inches and 5.360 inches
Internal Flange Width
0.234 inches
Corner Shape
Square all corners
Surface Finish
250.0 microinches right face
Material
Copper alloy
Material Specification
Mil-b-16541 military specification single material response
FSC
4320 Power And Hand Pumps
NIIN
002028840
NSN
4320002028840

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
08-102-312-00-001
Cage Code:
25681
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 4320-00-202-8840
What are the manufacturers of nsn 4320002028840?
Does this nsn 4320002028840 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320002028840
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 4320002028840 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320002028840 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320002028840?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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