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Wearing Ring NSN 4320-00-431-9311

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 4320-00-431-9311 NSN: 4320-00-431-9311

Features and Characteristics

Body Style
External flange
Overall Length
0.687 inches
Bolt Circle Diameter
5.750 inches
Flange Diameter
6.625 inches
Body Outside Diameter
5.312 inches
Body Inside Diameter
4.500 inches
Left Side Flange Thickness
0.265 inches
Unthreaded Mounting Hole Diameter
0.250 inches
Bolt Hole Quantity
3
Corner Shape
Square all corners
Material
Steel
FSC
4320 Power And Hand Pumps
NIIN
004319311
NSN
4320004319311

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
654Z0264
Cage Code:
63857
Status:
A
MSDS:
Part Number:
999R0339
Cage Code:
63857
Status:
A
MSDS:
Part Number:
CS4320-SR-0729
Cage Code:
16236
Status:
A
MSDS:
Part Number:
999R0339PC6
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 4320-00-431-9311
What are the manufacturers of nsn 4320004319311?
Does this nsn 4320004319311 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320004319311
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 4320004319311 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320004319311 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320004319311?
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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