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Wearing Ring NSN 4320-00-977-2793

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 4320-00-977-2793 NSN: 4320-00-977-2793

Features and Characteristics

Body Style
External locking flange
Overall Length
0.312 inches
Body Outside Diameter
Between 3.248 inches and 3.250 inches
Body Inside Diameter
2.531 inches
End To Flange Distance
0.062 inches
Center Flange Thickness
0.250 inches
Smallest External Anchor Flange Radius
3.438 inches
Largest External Anchor Flange Radius
3.688 inches
Distance Below Centerline
0.375 inches
Anchor Flange Width
0.120 inches
Corner Shape
Square all corners
Material
Steel
FSC
4320 Power And Hand Pumps
NIIN
009772793
NSN
4320009772793

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
121265
Cage Code:
10171
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 4320-00-977-2793
What are the manufacturers of nsn 4320009772793?
Does this nsn 4320009772793 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320009772793
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 4320009772793 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320009772793 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320009772793?
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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