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Wearing Ring NSN 4320-00-103-8373

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 4320-00-103-8373 NSN: 4320-00-103-8373

Features and Characteristics

Body Style
Internal flange w/external locking flange
Overall Length
1.000 inches
Body Outside Diameter
5.719 inches
Body Inside Diameter
5.094 inches
Left Side Flange Thickness
0.188 inches
Right Side Flange Thickness
0.188 inches
Distance Between Flanges
0.625 inches
End To Flange Distance
0.813 inches
Internal Flange Inside Diameter
4.063 inches
Internal Flange Width
0.281 inches
Smallest External Anchor Flange Radius
2.031 inches
Largest External Anchor Flange Radius
3.063 inches
Distance Below Centerline
0.188 inches
Distance From End
0.250 inches
FSC
4320 Power And Hand Pumps
NIIN
001038373
NSN
4320001038373

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
654B0186C051A
Cage Code:
63857
Status:
A
MSDS:
Part Number:
993C0046PC47
Cage Code:
63857
Status:
A
MSDS:
Part Number:
654B0186C0
Cage Code:
63857
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 4320-00-103-8373
What are the manufacturers of nsn 4320001038373?
Does this nsn 4320001038373 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320001038373
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 4320001038373 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320001038373 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320001038373?
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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