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Wearing Ring NSN 4320-00-398-8002

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 4320-00-398-8002 NSN: 4320-00-398-8002

Features and Characteristics

Body Style
Internal flange w/external locking flange
Chamfer Length
0.125 inches inside right corner
Overall Length
1.438 inches
Body Outside Diameter
7.248 inches
Body Inside Diameter
6.470 inches
Left Side Flange Thickness
0.375 inches
Right Side Flange Thickness
0.375 inches
Distance Between Flanges
0.562 inches
End To Flange Distance
0.813 inches
Internal Flange Inside Diameter
4.875 inches
Internal Flange Outside Diameter
5.391 inches
Internal Flange Width
1.375 inches
Internal Flange Lip Width
0.562 inches
Smallest External Anchor Flange Radius
3.500 inches
Largest External Anchor Flange Radius
3.875 inches
Distance Below Centerline
0.125 inches
Distance From End
0.375 inches
Corner Shape
Square outside right corner
Surface Finish
125.0 microinches all surfaces
Chamfer Angle
45.0 degrees inside right corner
Special Features
Extension on left-hand side, 7-16 in. Diameter by 15/32 in. Lg
Material
Nickel alloy
FSC
4320 Power And Hand Pumps
NIIN
003988002
NSN
4320003988002

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
511P
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL4941PC50
Cage Code:
93232
Status:
A
MSDS:
Part Number:
254941-13
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL6083PC50
Cage Code:
93232
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 4320-00-398-8002
What are the manufacturers of nsn 4320003988002?
Does this nsn 4320003988002 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320003988002
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 4320003988002 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320003988002 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320003988002?
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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