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Wearing Ring NSN 4320-01-551-2520

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 4320-01-551-2520 NSN: 4320-01-551-2520

Features and Characteristics

End Application
Pump, centrifugal
Special Features
Inside diameter of volute wear ring is .020 undersize furnished as a repair part; material - ni-cu alloy
Material Specification
Mil-c-24723 military specification single material response
FSC
4320 Power And Hand Pumps
NIIN
015512520
NSN
4320015512520

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
US7-04-037-304
Cage Code:
10941
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 4320-01-551-2520
What are the manufacturers of nsn 4320015512520?
Does this nsn 4320015512520 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320015512520
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 4320015512520 contain any precious metals?
No precious metal content.
Does nsn 4320015512520 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320015512520?
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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