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Wearing Ring NSN 4320-00-792-6171

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 4320-00-792-6171 NSN: 4320-00-792-6171

Features and Characteristics

Body Style
External locking flange
Overall Length
1.188 inches
Flange Diameter
4.500 inches
Body Outside Diameter
Between 4.119 inches and 4.121 inches
Body Inside Diameter
Between 3.608 inches and 3.610 inches
Corner Radius
0.750 inches inside right corner
End To Flange Distance
0.250 inches
Internal Flange Inside Diameter
2.875 inches
Internal Flange Width
0.312 inches
Center Flange Thickness
0.250 inches
Smallest External Anchor Flange Radius
2.000 inches
Largest External Anchor Flange Radius
2.250 inches
Distance Below Centerline
0.125 inches
Corner Shape
Square outside right corner
Surface Finish
225.0 microinches left face
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
007926171
NSN
4320007926171

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
K1 1-2B16K
Cage Code:
10613
Status:
A
MSDS:
Part Number:
99K1 1/2B-P
Cage Code:
21387
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 4320-00-792-6171
What are the manufacturers of nsn 4320007926171?
Does this nsn 4320007926171 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320007926171
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 4320007926171 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320007926171 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320007926171?
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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