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Wearing Ring NSN 4320-01-331-6639

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 4320-01-331-6639 NSN: 4320-01-331-6639

Features and Characteristics

Body Style
Plain
End Application
Cooling pump, aurora pump co, mdl 361 size 1-1/2x2x9
Material
Copper alloy 922
Material Specification
Qq-c-390 federal specification single material response
FSC
4320 Power And Hand Pumps
NIIN
013316639
NSN
4320013316639

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
676-1146-210
Cage Code:
04579
Status:
A
MSDS:
Part Number:
723-0189-000
Cage Code:
04579
Status:
A
MSDS:
Part Number:
723-0189-000 PIECE 14
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 4320-01-331-6639
What are the manufacturers of nsn 4320013316639?
Does this nsn 4320013316639 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320013316639
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 4320013316639 contain any precious metals?
No precious metal content.
Does nsn 4320013316639 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320013316639?
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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