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Wearing Ring NSN 4320-00-201-8540

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 4320-00-201-8540 NSN: 4320-00-201-8540

Features and Characteristics

Body Style
Internal flange w/external locking flange
Overall Length
1.657 inches
Body Outside Diameter
11.280 inches
Body Inside Diameter
10.094 inches
Corner Radius
1.125 inches outside left corner
Left Side Flange Thickness
0.532 inches
Right Side Flange Thickness
0.625 inches
Distance Between Flanges
0.375 inches
End To Flange Distance
1.090 inches
Internal Flange Inside Diameter
8.625 inches
Internal Flange Outside Diameter
8.750 inches
Internal Flange Width
0.650 inches
Internal Flange Lip Width
0.272 inches
Smallest External Anchor Flange Radius
5.605 inches
Largest External Anchor Flange Radius
5.750 inches
Distance Below Centerline
0.105 inches
Distance From End
0.764 inches
Corner Shape
Square outside right corner
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
002018540
NSN
4320002018540

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
955606-01
Cage Code:
93232
Status:
A
MSDS:
Part Number:
10406
Cage Code:
54402
Status:
A
MSDS:
Part Number:
RY-155606
Cage Code:
93232
Status:
A
MSDS:
Part Number:
955606-1PH
Cage Code:
93232
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 4320-00-201-8540
What are the manufacturers of nsn 4320002018540?
Does this nsn 4320002018540 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320002018540
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 4320002018540 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320002018540 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320002018540?
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
  •   Quality Fast Service
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