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Wearing Ring NSN 4320-00-757-9777

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 4320-00-757-9777 NSN: 4320-00-757-9777

Features and Characteristics

Body Style
Internal and external flange
Overall Length
0.984 inches
Flange Diameter
7.812 inches
Body Outside Diameter
7.500 inches
Body Inside Diameter
6.938 inches
End To Flange Distance
0.281 inches
Internal Flange Inside Diameter
6.062 inches
Internal Flange Width
0.156 inches
Center Flange Thickness
0.250 inches
Special Features
Groove next to flange opposite side w/radius 0.500 in. W by 7.250 in. Dia
FSC
4320 Power And Hand Pumps
NIIN
007579777
NSN
4320007579777

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3769SP
Cage Code:
64392
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 4320-00-757-9777
What are the manufacturers of nsn 4320007579777?
Does this nsn 4320007579777 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320007579777
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 4320007579777 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320007579777 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320007579777?
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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