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Wearing Ring NSN 4320-00-398-7758

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 4320-00-398-7758 NSN: 4320-00-398-7758

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Features and Characteristics

Body Style
Plain
Overall Length
0.562 inches
Body Outside Diameter
4.502 inches
Body Inside Diameter
3.970 inches
Corner Shape
Square all corners
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
003987758
NSN
4320003987758

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
10570
Cage Code:
54402
Status:
A
MSDS:
Part Number:
255265-6
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL5265PC35
Cage Code:
93232
Status:
A
MSDS:
Part Number:
367P
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 4320-00-398-7758
What are the manufacturers of nsn 4320003987758?
Does this nsn 4320003987758 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320003987758
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 4320003987758 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320003987758 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320003987758?
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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