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Wearing Ring NSN 4320-00-398-6260

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 4320-00-398-6260 NSN: 4320-00-398-6260

Features and Characteristics

Overall Length
1.000 inches
Flange Diameter
Between 4.870 inches and 4.875 inches
Body Outside Diameter
Between 4.498 inches and 4.500 inches
Body Inside Diameter
Between 4.129 inches and 4.130 inches
Corner Radius
0.125 inches inside right corner
End To Flange Distance
0.312 inches
Internal Flange Inside Diameter
3.188 inches
Internal Flange Outside Diameter
Between 3.433 inches and 3.435 inches
Internal Flange Width
0.688 inches
Center Flange Thickness
Between 0.247 inches and 0.249 inches
Corner Shape
Square outside right corner
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
003986260
NSN
4320003986260

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
H4320-398-6260
Cage Code:
83130
Status:
A
MSDS:
Part Number:
CA6373-1-530-1
Cage Code:
83130
Status:
A
MSDS:
Part Number:
CA6373-1-530-3
Cage Code:
83130
Status:
A
MSDS:
Part Number:
CA6373-530-2US
Cage Code:
83130
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 4320-00-398-6260
What are the manufacturers of nsn 4320003986260?
Does this nsn 4320003986260 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320003986260
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 4320003986260 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320003986260 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320003986260?
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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