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Wearing Ring NSN 4320-01-504-0425

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 4320-01-504-0425 NSN: 4320-01-504-0425

Features and Characteristics

End Application
Pump, centrifugal
Special Features
Inside diameter of wear ring (item 7) is .135 undersize when furnished as a repair part and is designated as p/n 999-1107-a-04-7a
Material
Plastic
Material Specification
803-7226047 mfr ref single material response
FSC
4320 Power And Hand Pumps
NIIN
015040425
NSN
4320015040425

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
999-1107-A-04-7A
Cage Code:
10941
Status:
A
MSDS:
Part Number:
US7-02-012-552
Cage Code:
10941
Status:
A
MSDS:
Part Number:
999-1107-A-04
Cage Code:
10941
Status:
A
MSDS:
Part Number:
999-1107-A-04 REV 4 ITEM 7A
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 4320-01-504-0425
What are the manufacturers of nsn 4320015040425?
Does this nsn 4320015040425 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320015040425
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 4320015040425 contain any precious metals?
No precious metal content.
Does nsn 4320015040425 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320015040425?
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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