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Wearing Ring NSN 4320-00-555-3297

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 4320-00-555-3297 NSN: 4320-00-555-3297

Features and Characteristics

Body Style
Internal flange w/external locking flange
Overall Length
1.250 inches
Body Outside Diameter
Between 10.499 inches and 10.500 inches
Body Inside Diameter
Between 9.375 inches and 9.737 inches
Corner Radius
0.250 inches inside right corner
Left Side Flange Thickness
0.250 inches
Right Side Flange Thickness
0.250 inches
Distance Between Flanges
0.625 inches
Internal Flange Inside Diameter
8.625 inches
Internal Flange Outside Diameter
9.140 inches
Internal Flange Width
0.531 inches
Smallest External Anchor Flange Radius
5.250 inches
Largest External Anchor Flange Radius
5.438 inches
Distance Below Centerline
0.094 inches
Distance From End
0.625 inches
Corner Shape
Square outside right corner
Surface Finish
125.0 microinches all surfaces
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
005553297
NSN
4320005553297

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
C178
Cage Code:
63857
Status:
A
MSDS:
Part Number:
R529PC77
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 4320-00-555-3297
What are the manufacturers of nsn 4320005553297?
Does this nsn 4320005553297 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320005553297
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 4320005553297 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320005553297 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320005553297?
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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