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Wearing Ring NSN 4320-01-371-2640

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 4320-01-371-2640 NSN: 4320-01-371-2640

Features and Characteristics

Body Style
Plain
Overall Length
0.250 inches
Body Outside Diameter
1.520 inches
Body Inside Diameter
1.396 inches
Corner Shape
Square all corners
Special Features
W/ 45 degree split
Material
Carbon graphite and plastic
FSC
4320 Power And Hand Pumps
NIIN
013712640
NSN
4320013712640

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
845-6556347-2
Cage Code:
53711
Status:
A
MSDS:
Part Number:
T520-0139-002-7588
Cage Code:
71724
Status:
A
MSDS:
Part Number:
845-6556347
Cage Code:
53711
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 4320-01-371-2640
What are the manufacturers of nsn 4320013712640?
Does this nsn 4320013712640 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320013712640
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 4320013712640 contain any precious metals?
No precious metal content.
Does nsn 4320013712640 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320013712640?
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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