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Wearing Ring NSN 4320-00-375-8904

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 4320-00-375-8904 NSN: 4320-00-375-8904

Features and Characteristics

Body Style
External flange
Overall Length
0.937 inches
Flange Diameter
4.998 inches
Body Outside Diameter
3.938 inches
Body Inside Diameter
Between 3.688 inches and 3.703 inches
End To Flange Distance
0.234 inches
Center Flange Thickness
0.438 inches
Positioning Hole Width
0.375 inches
Positioning Hole Depth
0.375 inches
Corner Shape
Square all corners
Special Features
Two positioning holes at 180 degrees
Material
Stainless steel
FSC
4320 Power And Hand Pumps
NIIN
003758904
NSN
4320003758904

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7480
Cage Code:
13380
Status:
A
MSDS:
Part Number:
A7480-69
Cage Code:
0APJ5
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 4320-00-375-8904
What are the manufacturers of nsn 4320003758904?
Does this nsn 4320003758904 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320003758904
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 4320003758904 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320003758904 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320003758904?
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
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