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Wearing Ring NSN 4320-00-302-1938

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 4320-00-302-1938 NSN: 4320-00-302-1938

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Features and Characteristics

Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
003021938
NSN
4320003021938

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
66500-1102
Cage Code:
35314
Status:
A
MSDS:
Part Number:
231-6PC36US
Cage Code:
25681
Status:
A
MSDS:
Part Number:
445-2649
Cage Code:
A486G
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 4320-00-302-1938
What are the manufacturers of nsn 4320003021938?
Does this nsn 4320003021938 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320003021938
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 4320003021938 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320003021938 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320003021938?
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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