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Wearing Ring NSN 4320-00-218-3265

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 4320-00-218-3265 NSN: 4320-00-218-3265

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Features and Characteristics

Body Style
Plain
Overall Length
0.500 inches
Bolt Circle Diameter
2.500 inches
Body Outside Diameter
Between 3.000 inches and 3.009 inches
Body Inside Diameter
1.845 inches
Unthreaded Mounting Hole Diameter
0.219 inches
Bolt Hole Quantity
4
Corner Shape
Square all corners
Special Features
Mtg holes counterbored 0.344 in. Diameter and 0.188 in. Deep
Material
Copper alloy
Material Specification
Mil-b-16261, gr 4 military specification single material response
FSC
4320 Power And Hand Pumps
NIIN
002183265
NSN
4320002183265

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
401P
Cage Code:
93232
Status:
A
MSDS:
Part Number:
3160702REVAPCALL
Cage Code:
80064
Status:
A
MSDS:
Part Number:
RW-104308
Cage Code:
93232
Status:
A
MSDS:
Part Number:
255295-5
Cage Code:
93232
Status:
A
MSDS:
Part Number:
RW104308ITEM5
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL5295PC40
Cage Code:
93232
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 4320-00-218-3265
What are the manufacturers of nsn 4320002183265?
Does this nsn 4320002183265 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320002183265
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 4320002183265 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320002183265 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320002183265?
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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