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Wearing Ring NSN 4320-00-707-5120

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 4320-00-707-5120 NSN: 4320-00-707-5120

Features and Characteristics

Body Style
Grooved
Chamfer Length
0.062 inches inside right corner
Groove Depth
0.031 inches
Groove Width
0.094 inches
Overall Length
0.875 inches
Body Outside Diameter
Between 7.997 inches and 7.999 inches
Body Inside Diameter
Between 7.375 inches and 7.377 inches
Distance From End To Groove Center
0.109 inches
Groove Quantity
4
Corner Shape
Square outside right corner
Surface Finish
125.0 microinches all surfaces
Chamfer Angle
45.0 degrees inside right corner
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
007075120
NSN
4320007075120

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B131A
Cage Code:
63857
Status:
A
MSDS:
Part Number:
R827PC15
Cage Code:
63857
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 4320-00-707-5120
What are the manufacturers of nsn 4320007075120?
Does this nsn 4320007075120 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320007075120
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 4320007075120 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320007075120 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320007075120?
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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