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Wearing Ring NSN 4320-00-787-8869

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 4320-00-787-8869 NSN: 4320-00-787-8869

Features and Characteristics

Body Style
Plain
Overall Length
1.125 inches
Body Outside Diameter
Between 7.502 inches and 7.503 inches
Body Inside Diameter
Between 6.726 inches and 6.728 inches
Corner Shape
Square all corners
Surface Finish
50.0 microinches all surfaces
Material
Nickel alloy
FSC
4320 Power And Hand Pumps
NIIN
007878869
NSN
4320007878869

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
31-1-189
Cage Code:
10941
Status:
A
MSDS:
Part Number:
31HCS17PC41A
Cage Code:
10941
Status:
A
MSDS:
Part Number:
31HCS18PC41A
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 4320-00-787-8869
What are the manufacturers of nsn 4320007878869?
Does this nsn 4320007878869 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320007878869
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 4320007878869 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320007878869 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320007878869?
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

What do you get when you order from nationalstocknumber.org?

  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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