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Wearing Ring NSN 4320-00-398-5491

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 4320-00-398-5491 NSN: 4320-00-398-5491

Features and Characteristics

Body Style
Plain w/internal flange
Overall Length
0.688 inches
Body Outside Diameter
Between 4.011 inches and 4.012 inches
Body Inside Diameter
Between 3.750 inches and 3.751 inches
Internal Flange Inside Diameter
Between 3.740 inches and 3.745 inches
Internal Flange Width
0.109 inches
Corner Shape
Square all corners
Material
Nickel alloy
FSC
4320 Power And Hand Pumps
NIIN
003985491
NSN
4320003985491

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
H4320-398-5491
Cage Code:
03950
Status:
A
MSDS:
Part Number:
08-101-726-00-002
Cage Code:
92392
Status:
A
MSDS:
Part Number:
08-500-020-01IT3M17
Cage Code:
92392
Status:
A
MSDS:
Part Number:
08-500-020-01ITEM17
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 4320-00-398-5491
What are the manufacturers of nsn 4320003985491?
Does this nsn 4320003985491 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320003985491
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 4320003985491 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320003985491 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320003985491?
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
  •   Quality Inspected Parts
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