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Wearing Ring NSN 4320-00-302-1905

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 4320-00-302-1905 NSN: 4320-00-302-1905

Features and Characteristics

Body Style
Internal and external flange
Overall Length
0.750 inches
Flange Diameter
5.250 inches
Body Outside Diameter
5.000 inches
Body Inside Diameter
4.125 inches
Corner Radius
0.188 inches inside right corner
End To Flange Distance
0.281 inches
Internal Flange Inside Diameter
2.875 inches
Internal Flange Outside Diameter
3.250 inches
Internal Flange Width
0.625 inches
Internal Flange Lip Width
0.438 inches
Center Flange Thickness
0.175 inches
Positioning Lug Width
0.125 inches
Positioning Lug Length
0.125 inches
Corner Shape
Square all corners
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
003021905
NSN
4320003021905

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CA6430PC16US
Cage Code:
83130
Status:
A
MSDS:
Part Number:
CA6431PC16US
Cage Code:
83130
Status:
A
MSDS:
Part Number:
CA6434-16-1
Cage Code:
83130
Status:
A
MSDS:
Part Number:
CA6434K16-1
Cage Code:
83130
Status:
A
MSDS:
Part Number:
CA6434PC16US
Cage Code:
83130
Status:
A
MSDS:
Part Number:
CA7933PC16A
Cage Code:
83130
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 4320-00-302-1905
What are the manufacturers of nsn 4320003021905?
Does this nsn 4320003021905 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320003021905
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 4320003021905 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320003021905 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320003021905?
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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