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Wearing Ring NSN 4320-00-946-8349

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 4320-00-946-8349 NSN: 4320-00-946-8349

Features and Characteristics

Body Style
External locking flange
Chamfer Length
0.625 inches outside right corner
Overall Length
6.188 inches
Body Outside Diameter
Between 3.374 inches and 3.375 inches
Body Inside Diameter
Between 2.875 inches and 2.877 inches
Left Side Flange Thickness
0.625 inches
Right Side Flange Thickness
0.750 inches
Distance Between Flanges
Between 4.813 inches and 4.815 inches
End To Flange Distance
5.563 inches
Smallest External Anchor Flange Radius
1.625 inches
Largest External Anchor Flange Radius
1.938 inches
Distance Below Centerline
0.062 inches
Distance From End
0.812 inches
Corner Shape
Square inside left corner
Chamfer Angle
30.0 degrees outside right corner
Material
Any acceptable
FSC
4320 Power And Hand Pumps
NIIN
009468349
NSN
4320009468349

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
766E0017
Cage Code:
63857
Status:
A
MSDS:
Part Number:
766E0017C130A
Cage Code:
63857
Status:
A
MSDS:
Part Number:
766E0017C130L
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 4320-00-946-8349
What are the manufacturers of nsn 4320009468349?
Does this nsn 4320009468349 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320009468349
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 4320009468349 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320009468349 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320009468349?
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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