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Wearing Ring NSN 4320-01-195-3870

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 4320-01-195-3870 NSN: 4320-01-195-3870

Features and Characteristics

Body Style
External flange
Overall Length
0.750 inches
Flange Diameter
Between 4.214 inches and 4.219 inches
Body Outside Diameter
Between 3.998 inches and 3.999 inches
Body Inside Diameter
Between 2.014 inches and 2.016 inches
Corner Radius
0.125 inches inside right corner
End To Flange Distance
0.281 inches
Center Flange Thickness
Between 0.185 inches and 0.187 inches
Err Default
Err default
Err Default
Err default
Corner Shape
Square outside right corner
Surface Finish
125.0 microinches all surfaces
Special Features
Tapered from right outside corner to right inside corner 0.188 in.
Material
Copper alloy 903
Material Specification
Mil-m-16576 military specification single material response
FSC
4320 Power And Hand Pumps
NIIN
011953870
NSN
4320011953870

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
11095
Cage Code:
54402
Status:
A
MSDS:
Part Number:
CA9043-9X
Cage Code:
83130
Status:
A
MSDS:
Part Number:
CA9043
Cage Code:
83130
Status:
A
MSDS:
Part Number:
PL1.5VCM-1 ITEM 9X
Cage Code:
83130
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 4320-01-195-3870
What are the manufacturers of nsn 4320011953870?
Does this nsn 4320011953870 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320011953870
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 4320011953870 contain any precious metals?
No precious metal content.
Does nsn 4320011953870 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320011953870?
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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