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Wearing Ring NSN 4320-00-398-9502

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 4320-00-398-9502 NSN: 4320-00-398-9502

Features and Characteristics

Body Style
Internal flange w/external locking flange
Overall Length
1.000 inches
Body Outside Diameter
6.250 inches
Body Inside Diameter
5.750 inches
Left Side Flange Thickness
0.188 inches
Right Side Flange Thickness
0.188 inches
Distance Between Flanges
0.625 inches
End To Flange Distance
0.812 inches
Internal Flange Inside Diameter
4.750 inches
Internal Flange Outside Diameter
6.625 inches
Internal Flange Width
0.438 inches
Internal Flange Lip Width
0.172 inches
Smallest External Anchor Flange Radius
3.000 inches
Largest External Anchor Flange Radius
3.250 inches
Distance Below Centerline
0.062 inches
Distance From End
5.750 inches
Corner Shape
Square all corners
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
003989502
NSN
4320003989502

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
C65A
Cage Code:
63857
Status:
A
MSDS:
Part Number:
H4320-398-9502
Cage Code:
03950
Status:
A
MSDS:
Part Number:
BS4-1430 PIECE 5
Cage Code:
63857
Status:
A
MSDS:
Part Number:
BS4-1664PC5
Cage Code:
63857
Status:
A
MSDS:
Part Number:
BS4-1876PC5
Cage Code:
63857
Status:
A
MSDS:
Part Number:
BS5-1435PC5
Cage Code:
63857
Status:
A
MSDS:
Part Number:
BS5-1669PC5
Cage Code:
63857
Status:
A
MSDS:
Part Number:
BS5-1881-5
Cage Code:
63857
Status:
A
MSDS:
Part Number:
BS5-1881PC5
Cage Code:
63857
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 4320-00-398-9502
What are the manufacturers of nsn 4320003989502?
Does this nsn 4320003989502 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320003989502
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 4320003989502 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320003989502 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320003989502?
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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