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Wearing Ring NSN 4320-00-618-6816

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 4320-00-618-6816 NSN: 4320-00-618-6816

Features and Characteristics

Overall Length
0.969 inches
Body Outside Diameter
Between 5.748 inches and 5.749 inches
Body Inside Diameter
Between 5.360 inches and 5.361 inches
Smallest External Anchor Flange Radius
2.969 inches
Largest External Anchor Flange Radius
3.125 inches
Distance Below Centerline
0.063 inches
Corner Shape
Square all corners
Surface Finish
125.0 microinches all surfaces
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
006186816
NSN
4320006186816

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
08-999-415-00-003
Cage Code:
25681
Status:
A
MSDS:
Part Number:
08-401-793PC4
Cage Code:
92392
Status:
A
MSDS:
Part Number:
08-500-823
Cage Code:
92392
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 4320-00-618-6816
What are the manufacturers of nsn 4320006186816?
Does this nsn 4320006186816 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320006186816
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 4320006186816 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320006186816 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320006186816?
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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