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Wearing Ring NSN 4320-00-770-0296

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 4320-00-770-0296 NSN: 4320-00-770-0296

Features and Characteristics

Body Style
Plain
Chamfer Length
0.062 inches inside right corner
Groove Depth
0.031 inches
Groove Width
0.125 inches
Overall Length
0.562 inches
Body Outside Diameter
3.434 inches
Body Inside Diameter
Between 3.062 inches and 3.064 inches
Groove Quantity
2
Corner Shape
Square outside right corner
Mounting Hole Thread Series Designator
Unc
Mounting Hole Thread Size
0.119 inches
Surface Finish
125.0 microinches all surfaces
Chamfer Angle
45.0 degrees inside right corner
Material
Steel
FSC
4320 Power And Hand Pumps
NIIN
007700296
NSN
4320007700296

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B133A
Cage Code:
63857
Status:
A
MSDS:
Part Number:
R-816 PC9
Cage Code:
63857
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 4320-00-770-0296
What are the manufacturers of nsn 4320007700296?
Does this nsn 4320007700296 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320007700296
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 4320007700296 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320007700296 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320007700296?
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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