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Wearing Ring NSN 4320-00-035-7668

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 4320-00-035-7668 NSN: 4320-00-035-7668

Features and Characteristics

Chamfer Length
0.750 inches inside right corner
Overall Length
0.875 inches
Flange Diameter
6.062 inches
Body Outside Diameter
Between 5.623 inches and 5.624 inches
Body Inside Diameter
Between 5.160 inches and 5.162 inches
End To Flange Distance
0.250 inches
Internal Flange Inside Diameter
4.250 inches
Internal Flange Width
0.250 inches
Center Flange Thickness
Between 0.172 inches and 0.177 inches
Distance Below Centerline
0.062 inches
Corner Shape
Square outside right corner
Surface Finish
125.0 microinches right face
Chamfer Angle
26.0 degrees inside right corner
Material
Copper alloy
Material Specification
Mil-b-16541 military specification single material response
FSC
4320 Power And Hand Pumps
NIIN
000357668
NSN
4320000357668

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NA1235-1
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 4320-00-035-7668
What are the manufacturers of nsn 4320000357668?
Does this nsn 4320000357668 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320000357668
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 4320000357668 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320000357668 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320000357668?
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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