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Wearing Ring NSN 4320-00-203-3516

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 4320-00-203-3516 NSN: 4320-00-203-3516

Features and Characteristics

Body Style
Plain w/internal flange
Chamfer Length
0.062 inches inside right corner and 0.078 inches inside right corner
Overall Length
0.812 inches
Body Outside Diameter
Between 8.362 inches and 8.364 inches
Body Inside Diameter
Between 7.886 inches and 7.888 inches
Internal Flange Inside Diameter
Between 7.749 inches and 7.750 inches
Internal Flange Width
0.625 inches
Corner Shape
Square outside right corner
Surface Finish
125.0 microinches right face
Chamfer Angle
45.0 degrees inside right corner
Special Features
Three countersunk holes, 0.312 in. Min id 0.375 in. Max id, in outer periphery spaced 120 degree apart located 0.312 in. From internal flange end; w/three set screws
Material
Copper alloy
Material Specification
Qq-c-390, alloy d5 federal specification single material response
FSC
4320 Power And Hand Pumps
NIIN
002033516
NSN
4320002033516

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B37A
Cage Code:
63857
Status:
A
MSDS:
Part Number:
BS5-1450PC7
Cage Code:
63857
Status:
A
MSDS:
Part Number:
BS5-1449PC7
Cage Code:
63857
Status:
A
MSDS:
Part Number:
BS797PC60S
Cage Code:
63857
Status:
A
MSDS:
Part Number:
BS5-1450
Cage Code:
63857
Status:
A
MSDS:
Part Number:
CA68S4605-60ALT5PC7
Cage Code:
80064
Status:
A
MSDS:
Part Number:
CA68S4605-62ALT7PC7
Cage Code:
80064
Status:
A
MSDS:
Part Number:
CL49S46-051PC60S
Cage Code:
80064
Status:
A
MSDS:
Part Number:
CL49S46-17PC60S
Cage Code:
80064
Status:
A
MSDS:
Part Number:
CVL48S4602-582627ALT5PC7
Cage Code:
80064
Status:
A
MSDS:
Part Number:
CVL48S4602-582626ALT6PC7
Cage Code:
80064
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 4320-00-203-3516
What are the manufacturers of nsn 4320002033516?
Does this nsn 4320002033516 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320002033516
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 4320002033516 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320002033516 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320002033516?
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
  •   Quality Fast Service
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