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Wearing Ring NSN 4320-00-657-4172

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 4320-00-657-4172 NSN: 4320-00-657-4172

Features and Characteristics

Body Style
External locking flange
Chamfer Length
0.090 inches inside right corner
Overall Length
0.875 inches
Body Outside Diameter
Between 5.623 inches and 5.624 inches
Body Inside Diameter
Between 5.261 inches and 5.263 inches
End To Flange Distance
0.440 inches
Internal Flange Inside Diameter
4.500 inches
Internal Flange Width
0.620 inches
Center Flange Thickness
Between 0.172 inches and 0.177 inches
Smallest External Anchor Flange Radius
2.938 inches
Largest External Anchor Flange Radius
3.125 inches
Distance Below Centerline
0.062 inches
Corner Shape
Square outside right corner
Chamfer Angle
30.0 degrees inside right corner
Material
Nickel alloy
FSC
4320 Power And Hand Pumps
NIIN
006574172
NSN
4320006574172

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CS4320-0331
Cage Code:
16236
Status:
A
MSDS:
Part Number:
NA1144-1
Cage Code:
83130
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 4320-00-657-4172
What are the manufacturers of nsn 4320006574172?
Does this nsn 4320006574172 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320006574172
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 4320006574172 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320006574172 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320006574172?
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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