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Wearing Ring NSN 4320-00-398-8012

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 4320-00-398-8012 NSN: 4320-00-398-8012

Features and Characteristics

Overall Length
2.250 inches
Flange Diameter
7.750 inches
Body Inside Diameter
5.625 inches
End To Flange Distance
0.688 inches
Internal Flange Inside Diameter
4.062 inches
Internal Flange Width
1.125 inches
Center Flange Thickness
0.375 inches
Distance Below Centerline
0.062 inches
Material
Nickel alloy
FSC
4320 Power And Hand Pumps
NIIN
003988012
NSN
4320003988012

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
4266P
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL4279PC111
Cage Code:
93232
Status:
A
MSDS:
Part Number:
171624X
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL4276PC111
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 4320-00-398-8012
What are the manufacturers of nsn 4320003988012?
Does this nsn 4320003988012 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320003988012
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 4320003988012 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320003988012 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320003988012?
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
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