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Wearing Ring NSN 4320-01-383-5480

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 4320-01-383-5480 NSN: 4320-01-383-5480

Features and Characteristics

Body Style
External flange
Chamfer Length
0.250 inches inside left corner
Overall Length
0.380 inches
Flange Diameter
3.926 inches
Body Outside Diameter
3.650 inches
Body Inside Diameter
3.002 inches
Left Side Flange Thickness
0.186 inches
End Application
Ingersoll rand centrifugal pump 10x20xbsx (asw pump); cover plate
Corner Shape
Square outside left corner
Surface Finish
125.0 microinches all surfaces
Chamfer Angle
45.0 degrees inside left corner
Special Features
Mat'l 70-30 cu ni, mercury free; two slots milled 1/2in.W 180.0deg apart; friction fit
Material
Nickel alloy and copper alloy
Material Specification
Astm b171-c715 assn standard all material responses
FSC
4320 Power And Hand Pumps
NIIN
013835480
NSN
4320013835480

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
300D498BX1
Cage Code:
88032
Status:
A
MSDS:
Part Number:
12881C18A
Cage Code:
88032
Status:
A
MSDS:
Part Number:
12881C18
Cage Code:
88032
Status:
A
MSDS:
Part Number:
12132F18-498A
Cage Code:
88032
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 4320-01-383-5480
What are the manufacturers of nsn 4320013835480?
Does this nsn 4320013835480 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320013835480
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 4320013835480 contain any precious metals?
No precious metal content.
Does nsn 4320013835480 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320013835480?
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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