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Wearing Ring NSN 4320-00-218-3729

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 4320-00-218-3729 NSN: 4320-00-218-3729

Features and Characteristics

Body Style
External locking flange
Chamfer Length
0.313 inches outside left corner
Overall Length
1.438 inches
Body Outside Diameter
2.250 inches
Body Inside Diameter
1.688 inches
Right Side Flange Thickness
0.250 inches
Internal Flange Inside Diameter
1.531 inches
Internal Flange Width
0.375 inches
Smallest External Anchor Flange Radius
1.078 inches
Largest External Anchor Flange Radius
1.281 inches
Distance Below Centerline
0.063 inches
Distance From End
0.313 inches
Corner Shape
Square outside right corner
Chamfer Angle
15.0 degrees outside left corner
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
002183729
NSN
4320002183729

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
13273P
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SK133125
Cage Code:
93232
Status:
A
MSDS:
Part Number:
H16356
Cage Code:
93232
Status:
A
MSDS:
Part Number:
SL7940PC8
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 4320-00-218-3729
What are the manufacturers of nsn 4320002183729?
Does this nsn 4320002183729 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320002183729
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 4320002183729 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320002183729 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320002183729?
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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