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Wearing Ring NSN 4320-01-044-5730

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 4320-01-044-5730 NSN: 4320-01-044-5730

Features and Characteristics

Body Style
External flange
Chamfer Length
0.062 inches outside right corner
Overall Length
0.938 inches
Bolt Circle Diameter
8.625 inches
Flange Diameter
9.500 inches
Body Outside Diameter
Between 8.127 inches and 8.129 inches
Body Inside Diameter
Between 7.430 inches and 7.432 inches
Left Side Flange Thickness
Between 0.297 inches and 0.312 inches
Unthreaded Mounting Hole Diameter
0.312 inches
Bolt Hole Quantity
3
Corner Shape
Square outside left corner
Surface Finish
125.0 microinches all surfaces
Chamfer Angle
45.0 degrees outside right corner
Special Features
Mounting holes countersunk 82 degrees to 0.531 dia
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
010445730
NSN
4320010445730

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
654B0305
Cage Code:
63857
Status:
A
MSDS:
Part Number:
PL-999D0474 PIE
Cage Code:
63857
Status:
A
MSDS:
Part Number:
654B0305-C051A
Cage Code:
63857
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 4320-01-044-5730
What are the manufacturers of nsn 4320010445730?
Does this nsn 4320010445730 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320010445730
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 4320010445730 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320010445730 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320010445730?
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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