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Wearing Ring NSN 4320-00-097-0842

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 4320-00-097-0842 NSN: 4320-00-097-0842

Features and Characteristics

Body Style
External flange
Overall Length
0.812 inches
Flange Diameter
4.250 inches
Body Outside Diameter
Between 4.000 inches and 4.001 inches
Body Inside Diameter
Between 3.499 inches and 3.500 inches
Left Side Flange Thickness
0.125 inches
Corner Shape
Square all corners
Surface Finish
125.0 microinches right face
Special Features
One positioning lug 0.250 in. Diameter by 0.250 in. Lg locatedon periphery of body, 0.312 in. From inside of, flange tocenter of hole
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
000970842
NSN
4320000970842

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
A155-264PC57
Cage Code:
77212
Status:
A
MSDS:
Part Number:
57-2-4
Cage Code:
77212
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 4320-00-097-0842
What are the manufacturers of nsn 4320000970842?
Does this nsn 4320000970842 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320000970842
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 4320000970842 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320000970842 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320000970842?
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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