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Wearing Ring NSN 4320-00-555-3302

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 4320-00-555-3302 NSN: 4320-00-555-3302

Features and Characteristics

Body Style
Grooved
Chamfer Length
0.062 inches inside right corner
Groove Depth
0.062 inches
Groove Width
0.093 inches
Overall Length
0.937 inches
Body Outside Diameter
9.752 inches
Body Inside Diameter
8.812 inches
Distance From End To Groove Center
0.141 inches
Groove Quantity
4
Corner Shape
Square outside right corner
Chamfer Angle
45.0 degrees inside right corner
Special Features
Opposite end from chamfer end counterbored 9.130 in. Diameter by 0.250 in. Deep
Material
Copper alloy 903
Material Specification
Qq-c-390 federal specification single material response
FSC
4320 Power And Hand Pumps
NIIN
005553302
NSN
4320005553302

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B102A
Cage Code:
63857
Status:
A
MSDS:
Part Number:
55-22159-19B0S
Cage Code:
52081
Status:
A
MSDS:
Part Number:
R529PC81
Cage Code:
63857
Status:
A
MSDS:
Part Number:
H3299831
Cage Code:
80064
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 4320-00-555-3302
What are the manufacturers of nsn 4320005553302?
Does this nsn 4320005553302 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320005553302
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 4320005553302 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320005553302 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320005553302?
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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