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Wearing Ring NSN 4320-00-840-9104

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 4320-00-840-9104 NSN: 4320-00-840-9104

Features and Characteristics

Overall Length
0.625 inches
Body Outside Diameter
Between 4.248 inches and 4.249 inches
Body Inside Diameter
Between 3.875 inches and 3.877 inches
Corner Radius
0.188 inches inside right corner
Left Side Flange Thickness
Between 0.172 inches and 0.177 inches
Right Side Flange Thickness
Between 0.172 inches and 0.177 inches
Distance Between Flanges
Between 0.250 inches and 0.265 inches
End To Flange Distance
0.451 inches
Internal Flange Inside Diameter
2.875 inches
Internal Flange Width
0.219 inches
Smallest External Anchor Flange Radius
2.124 inches
Largest External Anchor Flange Radius
2.314 inches
Distance Below Centerline
0.062 inches
Distance From End
0.250 inches
Corner Shape
Square outside right corner
Material
Any acceptable
FSC
4320 Power And Hand Pumps
NIIN
008409104
NSN
4320008409104

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CA11322-9-1
Cage Code:
83130
Status:
A
MSDS:
Part Number:
CA11194PC9
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 4320-00-840-9104
What are the manufacturers of nsn 4320008409104?
Does this nsn 4320008409104 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320008409104
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 4320008409104 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320008409104 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320008409104?
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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