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Wearing Ring NSN 4320-00-946-9949

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 4320-00-946-9949 NSN: 4320-00-946-9949

Features and Characteristics

Body Style
Plain
Overall Length
0.187 inches
Bolt Circle Diameter
3.750 inches
Body Outside Diameter
4.875 inches
Body Inside Diameter
1.625 inches
Unthreaded Mounting Hole Diameter
0.395 inches
Bolt Hole Quantity
2
Corner Shape
Square all corners
Special Features
Same as style 3 except as modified, holes are square 180 degrees apart, countersink to 0.375 in.Dia
Material
Steel comp 1020
FSC
4320 Power And Hand Pumps
NIIN
009469949
NSN
4320009469949

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
C3012A1
Cage Code:
88795
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 4320-00-946-9949
What are the manufacturers of nsn 4320009469949?
Does this nsn 4320009469949 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320009469949
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 4320009469949 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320009469949 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320009469949?
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
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