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Wearing Ring NSN 4320-00-420-0780

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 4320-00-420-0780 NSN: 4320-00-420-0780

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Features and Characteristics

Body Style
Plain
Chamfer Length
0.125 inches all corners
Overall Length
0.750 inches
Body Outside Diameter
7.065 inches
Body Inside Diameter
6.500 inches
Corner Shape
Square outside left corner
Chamfer Angle
45.0 degrees all corners
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
004200780
NSN
4320004200780

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
52-103-939-01
Cage Code:
92392
Status:
A
MSDS:
Part Number:
52-103-939-00-001
Cage Code:
92392
Status:
A
MSDS:
Part Number:
52-520-915PC5A
Cage Code:
92392
Status:
A
MSDS:
Part Number:
52-520-917PC5A
Cage Code:
92392
Status:
A
MSDS:
Part Number:
U20215PC5A
Cage Code:
92392
Status:
A
MSDS:
Part Number:
U20917PC5A
Cage Code:
92392
Status:
A
MSDS:
Part Number:
U3939-1
Cage Code:
92392
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 4320-00-420-0780
What are the manufacturers of nsn 4320004200780?
Does this nsn 4320004200780 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320004200780
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 4320004200780 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320004200780 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320004200780?
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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