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Wearing Ring NSN 4320-00-678-2039

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 4320-00-678-2039 NSN: 4320-00-678-2039

Features and Characteristics

Body Style
External locking flange
Chamfer Length
0.125 inches inside right corner
Overall Length
1.063 inches
Body Outside Diameter
Between 8.113 inches and 8.116 inches
Body Inside Diameter
Between 7.235 inches and 7.237 inches
Left Side Flange Thickness
0.250 inches
Right Side Flange Thickness
0.250 inches
Distance Between Flanges
Between 0.564 inches and 0.567 inches
End To Flange Distance
Between 0.814 inches and 0.817 inches
Smallest External Anchor Flange Radius
4.058 inches
Largest External Anchor Flange Radius
4.375 inches
Distance Below Centerline
0.250 inches
Distance From End
0.375 inches
Corner Shape
Square outside right corner
Chamfer Angle
45.0 degrees inside right corner
Special Features
0.015 in. Undersize id
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
006782039
NSN
4320006782039

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B3325226
Cage Code:
53711
Status:
A
MSDS:
Part Number:
Y4HMT6KX4-165GN
Cage Code:
88032
Status:
A
MSDS:
Part Number:
Y-245199
Cage Code:
88032
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 4320-00-678-2039
What are the manufacturers of nsn 4320006782039?
Does this nsn 4320006782039 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320006782039
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 4320006782039 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320006782039 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320006782039?
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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