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Wearing Ring NSN 4320-01-391-3302

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 4320-01-391-3302 NSN: 4320-01-391-3302

Features and Characteristics

Body Style
Internal flange w/external locking flange
Overall Length
0.938 inches
Body Outside Diameter
4.438 inches
Body Inside Diameter
3.000 inches
Left Side Flange Thickness
0.375 inches
Right Side Flange Thickness
0.375 inches
End Application
Weapon system code jl; tarawaa class lha
Distance Between Flanges
0.430 inches
End To Flange Distance
0.875 inches
Internal Flange Inside Diameter
2.625 inches
Internal Flange Width
0.250 inches
Smallest External Anchor Flange Radius
1.938 inches
Largest External Anchor Flange Radius
2.219 inches
Distance Below Centerline
0.125 inches
Distance From End
0.438 inches
Corner Shape
Square all corners
Special Features
Chucking lig removed after machining
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
013913302
NSN
4320013913302

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
654B0247C051A
Cage Code:
63857
Status:
A
MSDS:
Part Number:
654B0247
Cage Code:
63857
Status:
A
MSDS:
Part Number:
654B0247C051
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 4320-01-391-3302
What are the manufacturers of nsn 4320013913302?
Does this nsn 4320013913302 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320013913302
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 4320013913302 contain any precious metals?
No precious metal content.
Does nsn 4320013913302 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320013913302?
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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