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Wearing Ring NSN 4320-00-098-1757

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 4320-00-098-1757 NSN: 4320-00-098-1757

Features and Characteristics

Body Style
Internal and external flange
Overall Length
1.000 inches
Flange Diameter
7.125 inches
Body Outside Diameter
Between 6.748 inches and 6.749 inches
Body Inside Diameter
Between 5.516 inches and 5.518 inches
End To Flange Distance
0.375 inches
Internal Flange Inside Diameter
4.125 inches
Internal Flange Outside Diameter
Between 4.480 inches and 4.482 inches
Internal Flange Width
0.938 inches
Internal Flange Lip Width
0.688 inches
Center Flange Thickness
Between 0.300 inches and 0.302 inches
Positioning Lug Width
0.250 inches
Positioning Lug Length
0.250 inches
Corner Shape
Square all corners
Material
Copper alloy
Material Specification
Qq-c-390, alloy d5 federal specification single material response
FSC
4320 Power And Hand Pumps
NIIN
000981757
NSN
4320000981757

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
H4320-098-1757
Cage Code:
03950
Status:
A
MSDS:
Part Number:
CA8080-30-1
Cage Code:
83130
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 4320-00-098-1757
What are the manufacturers of nsn 4320000981757?
Does this nsn 4320000981757 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320000981757
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 4320000981757 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320000981757 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320000981757?
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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  •   Certificate of Conformance
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