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Wearing Ring NSN 4320-01-155-7840

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 4320-01-155-7840 NSN: 4320-01-155-7840

Features and Characteristics

Body Style
Grooved
Groove Depth
Between 0.239 inches and 0.313 inches
Groove Width
Between 0.125 inches and 0.156 inches
Overall Length
1.062 inches
Body Outside Diameter
Between 6.124 inches and 6.125 inches
Body Inside Diameter
5.268 inches
End Application
Aurora pump model 5mmx5 type on horizontal centrifugal
Distance From End To Groove Center
0.156 inches
Groove Quantity
3
Corner Shape
Square all corners
Material
Copper alloy
Material Specification
Qq-c-288, comp d a-2 federal specification 1st material response
FSC
4320 Power And Hand Pumps
NIIN
011557840
NSN
4320011557840

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
007-7101213-305
Cage Code:
10941
Status:
A
MSDS:
Part Number:
SMS-676-1213-263
Cage Code:
57140
Status:
A
MSDS:
Part Number:
286-0324-000
Cage Code:
04579
Status:
A
MSDS:
Part Number:
676-1213-263
Cage Code:
04579
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 4320-01-155-7840
What are the manufacturers of nsn 4320011557840?
Does this nsn 4320011557840 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320011557840
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 4320011557840 contain any precious metals?
No precious metal content.
Does nsn 4320011557840 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320011557840?
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
  •   Quality Inspected Parts
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