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Wearing Ring NSN 4320-00-168-3352

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 4320-00-168-3352 NSN: 4320-00-168-3352

Features and Characteristics

Body Style
External flange
Chamfer Length
0.125 inches inside right corner
Overall Length
0.500 inches
Bolt Circle Diameter
1.875 inches
Flange Diameter
2.437 inches
Body Outside Diameter
1.375 inches
Body Inside Diameter
0.900 inches
Left Side Flange Thickness
0.343 inches
Unthreaded Mounting Hole Diameter
0.281 inches
Bolt Hole Quantity
4
Corner Shape
Square outside right corner
Chamfer Angle
45.0 degrees inside right corner
Material
Copper alloy
Material Specification
Mil-b-994, comp a military specification single material response
FSC
4320 Power And Hand Pumps
NIIN
001683352
NSN
4320001683352

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SL5163PC8
Cage Code:
93232
Status:
A
MSDS:
Part Number:
402P
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 4320-00-168-3352
What are the manufacturers of nsn 4320001683352?
Does this nsn 4320001683352 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320001683352
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 4320001683352 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320001683352 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320001683352?
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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