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Wearing Ring NSN 4320-01-254-5553

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 4320-01-254-5553 NSN: 4320-01-254-5553

Features and Characteristics

Body Style
Plain
Overall Length
0.750 inches
Body Outside Diameter
4.500 inches
Body Inside Diameter
4.125 inches
Unthreaded Mounting Hole Diameter
0.280 inches
Bolt Hole Quantity
2
Corner Shape
Square all corners
Special Features
Mtg holes counterbored 0.437 in. Diameter by 0.250 in. Dp
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
012545553
NSN
4320012545553

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
A0NAI-12588A
Cage Code:
16062
Status:
A
MSDS:
Part Number:
GCP321 PIECE 46
Cage Code:
16062
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 4320-01-254-5553
What are the manufacturers of nsn 4320012545553?
Does this nsn 4320012545553 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320012545553
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 4320012545553 contain any precious metals?
No precious metal content.
Does nsn 4320012545553 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320012545553?
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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