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Wearing Ring NSN 4320-00-126-5441

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 4320-00-126-5441 NSN: 4320-00-126-5441

Features and Characteristics

Body Style
Internal and external flange
Overall Length
1.750 inches
Flange Diameter
11.562 inches
Body Outside Diameter
11.500 inches
Body Inside Diameter
10.485 inches
Corner Radius
0.625 inches inside right corner
End To Flange Distance
0.438 inches
Internal Flange Inside Diameter
9.000 inches
Internal Flange Outside Diameter
9.880 inches
Internal Flange Width
1.000 inches
Internal Flange Lip Width
0.500 inches
Center Flange Thickness
0.562 inches
Positioning Lug Width
0.562 inches
Positioning Lug Length
0.062 inches
Corner Shape
Square outside right corner
Special Features
Two taps on large @0d-180 degrees apart, 0.250 in. H, eight by 0.875 in. Length
Material
Copper alloy
Material Specification
Qq-c-390, alloy d3 federal specification single material response
FSC
4320 Power And Hand Pumps
NIIN
001265441
NSN
4320001265441

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CS4320-0071
Cage Code:
16236
Status:
A
MSDS:
Part Number:
H583BX1
Cage Code:
16712
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 4320-00-126-5441
What are the manufacturers of nsn 4320001265441?
Does this nsn 4320001265441 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320001265441
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 4320001265441 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320001265441 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320001265441?
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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