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Wearing Ring NSN 4320-00-946-5377

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 4320-00-946-5377 NSN: 4320-00-946-5377

Features and Characteristics

Body Style
Internal flange w/external locking flange
Overall Length
1.125 inches
Body Outside Diameter
Between 7.498 inches and 7.500 inches
Body Inside Diameter
Between 6.857 inches and 6.860 inches
Corner Radius
0.625 inches inside right corner
Left Side Flange Thickness
0.250 inches
Right Side Flange Thickness
0.250 inches
Distance Between Flanges
Between 0.625 inches and 0.627 inches
End To Flange Distance
0.875 inches
Internal Flange Inside Diameter
6.000 inches
Internal Flange Width
0.312 inches
Smallest External Anchor Flange Radius
3.688 inches
Largest External Anchor Flange Radius
3.938 inches
Distance Below Centerline
0.125 inches
Distance From End
0.312 inches
Corner Shape
Square outside right corner
Material
Copper alloy 910
FSC
4320 Power And Hand Pumps
NIIN
009465377
NSN
4320009465377

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
654Q0124
Cage Code:
63857
Status:
A
MSDS:
Part Number:
654Q0124C051A
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 4320-00-946-5377
What are the manufacturers of nsn 4320009465377?
Does this nsn 4320009465377 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320009465377
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 4320009465377 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320009465377 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320009465377?
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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