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Wearing Ring NSN 4320-00-640-1089

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 4320-00-640-1089 NSN: 4320-00-640-1089

Features and Characteristics

Body Style
Plain
Overall Length
0.812 inches
Body Outside Diameter
Between 5.250 inches and 5.251 inches
Body Inside Diameter
Between 4.590 inches and 4.591 inches
Corner Shape
Square all corners
Surface Finish
125.0 microinches all surfaces
Material
Nickel alloy
FSC
4320 Power And Hand Pumps
NIIN
006401089
NSN
4320006401089

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3174841
Cage Code:
53711
Status:
A
MSDS:
Part Number:
575-4600-1444252ITEM20
Cage Code:
53711
Status:
A
MSDS:
Part Number:
SL8641ITEM3
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SK142152
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL8642PC20
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 4320-00-640-1089
What are the manufacturers of nsn 4320006401089?
Does this nsn 4320006401089 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320006401089
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 4320006401089 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320006401089 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320006401089?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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