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Wearing Ring NSN 4320-00-212-9274

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 4320-00-212-9274 NSN: 4320-00-212-9274

Features and Characteristics

Body Style
External locking flange
Overall Length
1.250 inches
Body Outside Diameter
10.249 inches
Body Inside Diameter
9.235 inches
End To Flange Distance
0.500 inches
Center Flange Thickness
0.245 inches
Smallest External Anchor Flange Radius
5.219 inches
Largest External Anchor Flange Radius
5.375 inches
Distance Below Centerline
0.062 inches
Corner Shape
Square all corners
Surface Finish
125.0 microinches right face
Special Features
Outside flange surface 125.0 microinches
Material
Copper alloy
Material Specification
Qq-c-390, alloy 910 federal specification single material response
FSC
4320 Power And Hand Pumps
NIIN
002129274
NSN
4320002129274

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
08-102-222-00-001
Cage Code:
92392
Status:
A
MSDS:
Part Number:
H4320-212-9274
Cage Code:
03950
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 4320-00-212-9274
What are the manufacturers of nsn 4320002129274?
Does this nsn 4320002129274 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320002129274
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 4320002129274 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320002129274 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320002129274?
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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