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Wearing Ring NSN 4320-00-218-3260

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 4320-00-218-3260 NSN: 4320-00-218-3260

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Features and Characteristics

Body Style
Internal and external flange
Overall Length
0.880 inches
Bolt Circle Diameter
4.750 inches
Flange Diameter
4.438 inches
Body Outside Diameter
4.250 inches
Body Inside Diameter
3.703 inches
Corner Radius
0.500 inches inside right corner
Unthreaded Mounting Hole Diameter
0.270 inches
Bolt Hole Quantity
6
Internal Flange Inside Diameter
2.625 inches
Internal Flange Width
0.634 inches
Corner Shape
Square outside right corner
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
002183260
NSN
4320002183260

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
254838-C
Cage Code:
54402
Status:
A
MSDS:
Part Number:
254838C
Cage Code:
93232
Status:
A
MSDS:
Part Number:
759P
Cage Code:
93232
Status:
A
MSDS:
Part Number:
RW97439PC12
Cage Code:
93232
Status:
A
MSDS:
Part Number:
RY97445
Cage Code:
93232
Status:
A
MSDS:
Part Number:
RW105451ITEM6
Cage Code:
93232
Status:
A
MSDS:
Part Number:
RW105813PC12
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL4838PC35
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 4320-00-218-3260
What are the manufacturers of nsn 4320002183260?
Does this nsn 4320002183260 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320002183260
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 4320002183260 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320002183260 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320002183260?
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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