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Wearing Ring NSN 4320-00-739-4706

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 4320-00-739-4706 NSN: 4320-00-739-4706

Features and Characteristics

Body Style
Plain
Chamfer Length
0.125 inches inside right corner
Overall Length
0.427 inches
Bolt Circle Diameter
8.000 inches
Body Outside Diameter
8.745 inches
Body Inside Diameter
7.250 inches
Bolt Hole Quantity
6
Corner Shape
Square outside right corner
Mounting Hole Thread Series Designator
Unc
Mounting Hole Thread Size
0.250 inches
Chamfer Angle
45.0 degrees inside right corner
Special Features
Same as style 3 except as modified, 3 grooves equally spaced 0.750 in.Wide by 0.125 in.Deep, 30 degrees off center of bolt hole
Material
Steel
FSC
4320 Power And Hand Pumps
NIIN
007394706
NSN
4320007394706

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3201200
Cage Code:
80064
Status:
A
MSDS:
Part Number:
159358
Cage Code:
62983
Status:
A
MSDS:
Part Number:
D-159358
Cage Code:
62983
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 4320-00-739-4706
What are the manufacturers of nsn 4320007394706?
Does this nsn 4320007394706 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320007394706
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 4320007394706 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320007394706 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320007394706?
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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