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Wearing Ring NSN 4320-00-792-6290

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 4320-00-792-6290 NSN: 4320-00-792-6290

Features and Characteristics

Body Style
Plain
Chamfer Length
0.031 inches all corners
Overall Length
Between 0.245 inches and 0.250 inches
Bolt Circle Diameter
4.000 inches
Body Outside Diameter
Between 5.605 inches and 5.610 inches
Body Inside Diameter
3.250 inches
Corner Radius
0.125 inches inside right corner
Unthreaded Mounting Hole Diameter
0.266 inches
Bolt Hole Quantity
2
Corner Shape
Chamfered all corners
Countersink Angle
32.0 degrees
Surface Finish
225.0 microinches left face
Chamfer Angle
45.0 degrees all corners
Material
Steel
Material Specification
Fed standard 66, comp 1020 federal standard single material response
FSC
4320 Power And Hand Pumps
NIIN
007926290
NSN
4320007926290

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
13200E8854
Cage Code:
97403
Status:
A
MSDS:
Part Number:
21500
Cage Code:
96046
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 4320-00-792-6290
What are the manufacturers of nsn 4320007926290?
Does this nsn 4320007926290 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320007926290
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 4320007926290 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320007926290 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320007926290?
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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