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Wearing Ring NSN 4320-00-493-7028

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 4320-00-493-7028 NSN: 4320-00-493-7028

Features and Characteristics

Overall Length
0.688 inches
Body Outside Diameter
Between 4.490 inches and 4.495 inches
Body Inside Diameter
Between 3.763 inches and 3.764 inches
Smallest External Anchor Flange Radius
2.125 inches
Largest External Anchor Flange Radius
2.375 inches
Distance Below Centerline
0.125 inches
Corner Shape
Square all corners
Surface Finish
125.0 microinches all surfaces
Material
Nickel alloy
FSC
4320 Power And Hand Pumps
NIIN
004937028
NSN
4320004937028

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
007-NGA-A02-304
Cage Code:
10941
Status:
A
MSDS:
Part Number:
007NGAA01-304
Cage Code:
10941
Status:
A
MSDS:
Part Number:
B-007-NGA-A-02-304
Cage Code:
10941
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 4320-00-493-7028
What are the manufacturers of nsn 4320004937028?
Does this nsn 4320004937028 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320004937028
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 4320004937028 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320004937028 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320004937028?
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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