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Wearing Ring NSN 4320-00-025-3415

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 4320-00-025-3415 NSN: 4320-00-025-3415

Features and Characteristics

Body Style
External and internal flange
Counterbore Diameter
5.062 inches
Counterbore Depth
0.516 inches
Hole Depth
0.500 inches
Overall Length
Between 1.203 inches and 1.219 inches
Bolt Circle Diameter
6.125 inches
Flange Diameter
Between 6.873 inches and 6.874 inches
Body Outside Diameter
Between 5.490 inches and 5.495 inches
Body Inside Diameter
5.062 inches
Left Side Flange Thickness
0.687 inches
Bolt Hole Quantity
8
End To Flange Distance
0.524 inches
Internal Flange Inside Diameter
4.562 inches
Internal Flange Width
0.094 inches
Corner Shape
Square all corners
Mounting Hole Thread Series Designator
Unc
Mounting Hole Thread Size
0.250 inches
Surface Finish
125.0 microinches all surfaces
Material
Steel
FSC
4320 Power And Hand Pumps
NIIN
000253415
NSN
4320000253415

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CS4320-0273
Cage Code:
16236
Status:
A
MSDS:
Part Number:
15141P
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 4320-00-025-3415
What are the manufacturers of nsn 4320000253415?
Does this nsn 4320000253415 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320000253415
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 4320000253415 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320000253415 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320000253415?
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
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