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Wearing Ring NSN 4320-01-026-0073

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 4320-01-026-0073 NSN: 4320-01-026-0073

Features and Characteristics

Body Style
Grooved w/internal and external flange
Groove Depth
0.108 inches
Groove Width
0.190 inches
Overall Length
0.938 inches
Body Outside Diameter
Between 8.249 inches and 8.250 inches
Body Inside Diameter
Between 7.503 inches and 7.505 inches
Corner Radius
0.188 inches inside right corner
End To Flange Distance
0.391 inches
Distance From End To Groove Center
0.220 inches
Internal Flange Inside Diameter
6.750 inches
Internal Flange Width
0.250 inches
Center Flange Thickness
Between 0.172 inches and 0.177 inches
Smallest External Anchor Flange Radius
Between 4.359 inches and 4.375 inches
Largest External Anchor Flange Radius
Between 4.609 inches and 4.625 inches
Distance Below Centerline
0.063 inches
Corner Shape
Square outside right corner
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
010260073
NSN
4320010260073

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NA1347-1
Cage Code:
83130
Status:
A
MSDS:
Part Number:
NG13533
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 4320-01-026-0073
What are the manufacturers of nsn 4320010260073?
Does this nsn 4320010260073 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320010260073
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 4320010260073 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320010260073 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320010260073?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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