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Wearing Ring NSN 4320-00-802-8394

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 4320-00-802-8394 NSN: 4320-00-802-8394

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Features and Characteristics

Body Style
External locking flange
Overall Length
0.750 inches
Body Outside Diameter
6.248 inches
Body Inside Diameter
3.735 inches
End To Flange Distance
0.250 inches
Center Flange Thickness
0.246 inches
Smallest External Anchor Flange Radius
3.312 inches
Largest External Anchor Flange Radius
3.469 inches
Distance Below Centerline
0.125 inches
Anchor Flange Width
0.183 inches
Corner Shape
Square all corners
Surface Finish
125.0 microinches all surfaces
Material
Stainless steel
Reference Number Differentiating Characteristics
Free of mercury contamination for nuclear propulsion plants
FSC
4320 Power And Hand Pumps
NIIN
008028394
NSN
4320008028394

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
122325
Cage Code:
10171
Status:
A
MSDS:
Part Number:
3A10986A
Cage Code:
1W383
Status:
A
MSDS:
Part Number:
3A10986AB6-37-39RC
Cage Code:
10171
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 4320-00-802-8394
What are the manufacturers of nsn 4320008028394?
Does this nsn 4320008028394 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320008028394
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 4320008028394 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320008028394 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320008028394?
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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