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Wearing Ring NSN 4320-00-218-4241

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 4320-00-218-4241 NSN: 4320-00-218-4241

Features and Characteristics

Body Style
Internal flange w/external locking flange
Overall Length
1.625 inches
Body Outside Diameter
9.375 inches
Body Inside Diameter
8.375 inches
Corner Radius
0.312 inches inside right corner
End To Flange Distance
0.375 inches
Distance From End To Groove Center
4.109 inches
Internal Flange Inside Diameter
7.000 inches
Internal Flange Width
0.562 inches
Center Flange Thickness
0.625 inches
Smallest External Anchor Flange Radius
4.562 inches
Largest External Anchor Flange Radius
4.750 inches
Distance Below Centerline
0.062 inches
Anchor Groove Width
0.750 inches
Corner Shape
Square outside right corner
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
002184241
NSN
4320002184241

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
C69A
Cage Code:
63857
Status:
A
MSDS:
Part Number:
BS5-1449PC5
Cage Code:
63857
Status:
A
MSDS:
Part Number:
BS5-1450PC5
Cage Code:
63857
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 4320-00-218-4241
What are the manufacturers of nsn 4320002184241?
Does this nsn 4320002184241 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320002184241
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 4320002184241 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320002184241 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320002184241?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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