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Wearing Ring NSN 4320-00-950-9307

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 4320-00-950-9307 NSN: 4320-00-950-9307

Features and Characteristics

Body Style
Plain
Chamfer Length
0.094 inches inside left corner
Overall Length
0.813 inches
Body Outside Diameter
Between 4.129 inches and 4.131 inches
Body Inside Diameter
Between 3.750 inches and 3.751 inches
Corner Shape
Square outside right corner
Surface Finish
20.0 microinches outside
Chamfer Angle
45.0 degrees inside right corner
Special Features
Od body surfaced with stellite number one 0.047 in. Deep
Material
Steel
Material Specification
Qq-s-763, class 410, cond a federal specification single material response
FSC
4320 Power And Hand Pumps
NIIN
009509307
NSN
4320009509307

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
121457
Cage Code:
10171
Status:
A
MSDS:
Part Number:
R121457
Cage Code:
09259
Status:
A
MSDS:
Part Number:
H4320-950-9307
Cage Code:
09350
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 4320-00-950-9307
What are the manufacturers of nsn 4320009509307?
Does this nsn 4320009509307 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320009509307
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 4320009509307 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320009509307 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320009509307?
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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