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Wearing Ring NSN 4320-01-037-4930

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 4320-01-037-4930 NSN: 4320-01-037-4930

Features and Characteristics

Body Style
Plain
Chamfer Length
0.060 inches outside left corner
Overall Length
0.810 inches
Body Outside Diameter
5.872 inches
Body Inside Diameter
4.870 inches
End Application
Worthington pump model 4lr-11 volute pump
Corner Shape
Square outside right corner
Chamfer Angle
30.0 degrees outside left corner
Special Features
Two setscrew holes 172.0 degrees apart, 1/4-20 nc-3 tap on outer surface
Material
Nickel alloy and copper alloy
FSC
4320 Power And Hand Pumps
NIIN
010374930
NSN
4320010374930

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
395736
Cage Code:
93232
Status:
A
MSDS:
Part Number:
395736PA
Cage Code:
93232
Status:
A
MSDS:
Part Number:
55-22543-18US
Cage Code:
52081
Status:
A
MSDS:
Part Number:
55-22543-18US01
Cage Code:
52081
Status:
A
MSDS:
Part Number:
395736-00
Cage Code:
93232
Status:
A
MSDS:
Part Number:
395736-US
Cage Code:
93232
Status:
A
MSDS:
Part Number:
595736-00 UNDERSIZE
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SK-195736
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 4320-01-037-4930
What are the manufacturers of nsn 4320010374930?
Does this nsn 4320010374930 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320010374930
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 4320010374930 contain any precious metals?
No precious metal content.
Does nsn 4320010374930 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320010374930?
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
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