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Wearing Ring NSN 4320-00-218-3386

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 4320-00-218-3386 NSN: 4320-00-218-3386

Features and Characteristics

Body Style
Plain
Chamfer Length
0.094 inches inside right corner
Overall Length
1.250 inches
Body Outside Diameter
9.512 inches
Body Inside Diameter
Between 8.875 inches and 8.876 inches
Corner Shape
Square outside right corner
Surface Finish
125.0 microinches all surfaces
Chamfer Angle
45.0 degrees inside right corner
Material
Copper alloy
Material Specification
Qq-c-390, alloy 903 federal specification single material response
FSC
4320 Power And Hand Pumps
NIIN
002183386
NSN
4320002183386

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
309P
Cage Code:
93232
Status:
A
MSDS:
Part Number:
635-320-71
Cage Code:
43689
Status:
A
MSDS:
Part Number:
SK-132995
Cage Code:
93232
Status:
A
MSDS:
Part Number:
CS-255079-11
Cage Code:
93232
Status:
A
MSDS:
Part Number:
255079-11
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL5077PC71
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL5079PC72
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL5560PC71
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL5562PC71
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL6127PC71
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL6780PC71
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL6782PC71
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL7988PC3-2
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 4320-00-218-3386
What are the manufacturers of nsn 4320002183386?
Does this nsn 4320002183386 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320002183386
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 4320002183386 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320002183386 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320002183386?
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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