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Wearing Ring NSN 4320-01-381-3884

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 4320-01-381-3884 NSN: 4320-01-381-3884

Features and Characteristics

Body Style
Internal and external flange
Chamfer Length
0.060 inches outside right corner
Overall Length
1.440 inches
Bolt Circle Diameter
16.750 inches
Flange Diameter
17.500 inches
Body Outside Diameter
16.249 inches
Body Inside Diameter
15.500 inches
Left Side Flange Thickness
0.500 inches
Unthreaded Mounting Hole Diameter
0.312 inches
Bolt Hole Quantity
6
Internal Flange Inside Diameter
14.750 inches
Internal Flange Width
0.190 inches
Corner Shape
Square outside left corner
Surface Finish
63.0 microinches outside
Chamfer Angle
30.0 degrees outside right corner
Special Features
Mercury free titanium; 2 holes 180.0 degrees apart threaded 0.38-16 unc-3b; 2 pry slots 180.0 degrees apart
Material
Steel
Material Specification
Astm b367 gr. C-2 assn standard single material response
FSC
4320 Power And Hand Pumps
NIIN
013813884
NSN
4320013813884

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12190D18A
Cage Code:
88032
Status:
A
MSDS:
Part Number:
12132F18-7
Cage Code:
88032
Status:
A
MSDS:
Part Number:
12132F18
Cage Code:
88032
Status:
A
MSDS:
Part Number:
12190D18
Cage Code:
88032
Status:
A
MSDS:
Part Number:
12190D18 ITEM 7
Cage Code:
88032
Status:
A
MSDS:
Part Number:
12249D18
Cage Code:
88032
Status:
A
MSDS:
Part Number:
1550D7A
Cage Code:
88032
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 4320-01-381-3884
What are the manufacturers of nsn 4320013813884?
Does this nsn 4320013813884 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320013813884
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 4320013813884 contain any precious metals?
No precious metal content.
Does nsn 4320013813884 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320013813884?
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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