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Wearing Ring NSN 4320-00-398-8523

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 4320-00-398-8523 NSN: 4320-00-398-8523

Features and Characteristics

Body Style
Internal flange w/external locking flange
Overall Length
1.312 inches
Body Outside Diameter
6.562 inches
Body Inside Diameter
5.345 inches
Corner Radius
0.062 inches inside right corner
Left Side Flange Thickness
0.125 inches
Right Side Flange Thickness
0.375 inches
Distance Between Flanges
0.562 inches
End To Flange Distance
0.937 inches
Internal Flange Inside Diameter
3.875 inches
Internal Flange Width
0.375 inches
Largest External Anchor Flange Radius
3.281 inches
Distance Below Centerline
0.125 inches
Distance From End
0.500 inches
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
003988523
NSN
4320003988523

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
255364-27
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL5362PC72
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL5364PC72
Cage Code:
93232
Status:
A
MSDS:
Part Number:
2197P
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 4320-00-398-8523
What are the manufacturers of nsn 4320003988523?
Does this nsn 4320003988523 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320003988523
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 4320003988523 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320003988523 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320003988523?
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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