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Wearing Ring NSN 4320-00-768-2904

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 4320-00-768-2904 NSN: 4320-00-768-2904

Features and Characteristics

Body Style
Plain w/internal flange
Chamfer Length
0.062 inches inside right corner
Overall Length
1.188 inches
Body Outside Diameter
Between 5.000 inches and 5.004 inches
Body Inside Diameter
Between 4.500 inches and 4.502 inches
Corner Radius
0.188 inches inside left corner
End Application
Pump, gorman-rupp, mdl 04a2-b
Internal Flange Inside Diameter
3.930 inches
Internal Flange Width
0.316 inches
Corner Shape
Round inside left cornerchamfered inside right cornersquare outside left cornerround outside right corner
Chamfer Angle
45.0 degrees inside right corner
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
007682904
NSN
4320007682904

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3765A-10010
Cage Code:
25567
Status:
A
MSDS:
Part Number:
3765
Cage Code:
25567
Status:
A
MSDS:
Part Number:
3765 10010
Cage Code:
25567
Status:
A
MSDS:
Part Number:
3765A
Cage Code:
25567
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 4320-00-768-2904
What are the manufacturers of nsn 4320007682904?
Does this nsn 4320007682904 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320007682904
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 4320007682904 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320007682904 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320007682904?
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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