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Wearing Ring NSN 4320-00-137-1794

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 4320-00-137-1794 NSN: 4320-00-137-1794

Features and Characteristics

Body Style
Plain
Chamfer Length
0.062 inches outside right corner
Overall Length
1.000 inches
Body Outside Diameter
Between 7.253 inches and 7.255 inches
Body Inside Diameter
Between 6.753 inches and 6.755 inches
Corner Shape
Square outside left corner
Chamfer Angle
45.0 degrees outside right corner
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
001371794
NSN
4320001371794

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12369B
Cage Code:
56047
Status:
A
MSDS:
Part Number:
04012369B
Cage Code:
45396
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 4320-00-137-1794
What are the manufacturers of nsn 4320001371794?
Does this nsn 4320001371794 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320001371794
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 4320001371794 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320001371794 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320001371794?
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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