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Wearing Ring NSN 4320-00-684-0449

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 4320-00-684-0449 NSN: 4320-00-684-0449

Features and Characteristics

Body Style
Plain w/internal flange
Overall Length
1.625 inches
Bolt Circle Diameter
8.250 inches
Body Outside Diameter
9.885 inches
Body Inside Diameter
9.250 inches
Unthreaded Mounting Hole Diameter
0.281 inches
Bolt Hole Quantity
8
Internal Flange Inside Diameter
Between 7.500 inches and 7.501 inches
Internal Flange Width
0.500 inches
Countersink Diameter
0.500 inches
Corner Shape
Square all corners
Countersink Angle
45.0 degrees
Surface Finish
125.0 microinches all surfaces
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
006840449
NSN
4320006840449

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
17100P
Cage Code:
93232
Status:
A
MSDS:
Part Number:
RY-118747
Cage Code:
93232
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 4320-00-684-0449
What are the manufacturers of nsn 4320006840449?
Does this nsn 4320006840449 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320006840449
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 4320006840449 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320006840449 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320006840449?
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
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