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Wearing Ring NSN 4320-00-218-3235

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 4320-00-218-3235 NSN: 4320-00-218-3235

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Features and Characteristics

Body Style
Internal flange w/external locking flange
Overall Length
0.813 inches
Body Outside Diameter
5.063 inches
Body Inside Diameter
4.500 inches
Left Side Flange Thickness
0.188 inches
Right Side Flange Thickness
0.0188 inches
Distance Between Flanges
0.438 inches
End To Flange Distance
0.625 inches
Internal Flange Inside Diameter
3.875 inches
Internal Flange Width
0.125 inches
Smallest External Anchor Flange Radius
2.438 inches
Largest External Anchor Flange Radius
2.750 inches
Distance Below Centerline
0.250 inches
Distance From End
0.250 inches
Corner Shape
Square all corners
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
002183235
NSN
4320002183235

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
10121
Cage Code:
54402
Status:
A
MSDS:
Part Number:
177781C
Cage Code:
93232
Status:
A
MSDS:
Part Number:
4407P
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL4585PC58
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL4583PC58
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL4742PC58
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL4745PC58
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 4320-00-218-3235
What are the manufacturers of nsn 4320002183235?
Does this nsn 4320002183235 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320002183235
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 4320002183235 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320002183235 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320002183235?
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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