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Wearing Ring NSN 4320-00-218-3172

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 4320-00-218-3172 NSN: 4320-00-218-3172

Features and Characteristics

Body Style
Plain
Overall Length
0.500 inches
Body Outside Diameter
Between 4.252 inches and 4.253 inches
Body Inside Diameter
3.500 inches
Corner Shape
Square all corners
Surface Finish
125.0 microinches right face
Material
Copper alloy
Material Specification
Mil-b-16261, grade 3 military specification single material response
FSC
4320 Power And Hand Pumps
NIIN
002183172
NSN
4320002183172

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
168499J
Cage Code:
93232
Status:
A
MSDS:
Part Number:
256084
Cage Code:
93232
Status:
A
MSDS:
Part Number:
4139P
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL4256PC34US
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL6084PC34
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 4320-00-218-3172
What are the manufacturers of nsn 4320002183172?
Does this nsn 4320002183172 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320002183172
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 4320002183172 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320002183172 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320002183172?
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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