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Wearing Ring NSN 4320-00-212-9502

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 4320-00-212-9502 NSN: 4320-00-212-9502

Features and Characteristics

Body Style
External flange
Chamfer Length
0.125 inches inside right corner
Overall Length
0.750 inches
Bolt Circle Diameter
5.125 inches
Flange Diameter
5.719 inches
Body Outside Diameter
Between 4.498 inches and 4.499 inches
Body Inside Diameter
Between 4.062 inches and 4.063 inches
Left Side Flange Thickness
0.250 inches
Unthreaded Mounting Hole Diameter
0.312 inches
Bolt Hole Quantity
2
Corner Shape
Square outside right corner
Surface Finish
125.0 microinches right face
Chamfer Angle
45.0 degrees inside right corner
Material
Copper alloy
Material Specification
Qq-c-390, alloy d3 federal specification single material response
FSC
4320 Power And Hand Pumps
NIIN
002129502
NSN
4320002129502

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CS4320-0142
Cage Code:
16236
Status:
A
MSDS:
Part Number:
A0VN1288US
Cage Code:
16062
Status:
A
MSDS:
Part Number:
AOVNI288US
Cage Code:
16062
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 4320-00-212-9502
What are the manufacturers of nsn 4320002129502?
Does this nsn 4320002129502 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320002129502
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 4320002129502 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320002129502 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320002129502?
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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