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Wearing Ring NSN 4320-00-534-5276

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 4320-00-534-5276 NSN: 4320-00-534-5276

Features and Characteristics

Body Style
Internal flange w/external locking flange
Overall Length
1.065 inches
Body Outside Diameter
4.149 inches
Body Inside Diameter
3.475 inches
Left Side Flange Thickness
0.141 inches
Right Side Flange Thickness
0.184 inches
Distance Between Flanges
0.495 inches
End To Flange Distance
0.900 inches
Internal Flange Inside Diameter
0.274 inches
Internal Flange Outside Diameter
3.110 inches
Internal Flange Width
2.759 inches
Internal Flange Lip Width
0.250 inches
Smallest External Anchor Flange Radius
1.821 inches
Largest External Anchor Flange Radius
2.105 inches
Distance Below Centerline
0.180 inches
Distance From End
0.408 inches
Corner Shape
Square all corners
Special Features
Groove 0.188 in. W, 0.128 in. Deep, o-ring furnished
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
005345276
NSN
4320005345276

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
C148A
Cage Code:
63857
Status:
A
MSDS:
Part Number:
R439PC4-0
Cage Code:
63857
Status:
A
MSDS:
Part Number:
R448PC4-0
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 4320-00-534-5276
What are the manufacturers of nsn 4320005345276?
Does this nsn 4320005345276 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320005345276
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 4320005345276 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320005345276 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320005345276?
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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