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Wearing Ring NSN 4320-00-795-9945

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 4320-00-795-9945 NSN: 4320-00-795-9945

Features and Characteristics

Body Style
Internal flange w/external locking flange
Overall Length
1.000 inches
Body Outside Diameter
Between 4.746 inches and 4.748 inches
Body Inside Diameter
Between 4.132 inches and 4.134 inches
Corner Radius
0.375 inches inside right corner
Left Side Flange Thickness
0.188 inches
Right Side Flange Thickness
0.188 inches
Distance Between Flanges
0.625 inches
Internal Flange Inside Diameter
3.250 inches
Internal Flange Outside Diameter
Between 3.603 inches and 3.605 inches
Internal Flange Width
Any acceptable
Internal Flange Lip Width
Any acceptable
Smallest External Anchor Flange Radius
2.219 inches
Largest External Anchor Flange Radius
2.562 inches
Distance Below Centerline
0.156 inches
Distance From End
0.250 inches
Corner Shape
Square outside right corner
Surface Finish
125.0 microinches all surfaces
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
007959945
NSN
4320007959945

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
C216A
Cage Code:
63857
Status:
A
MSDS:
Part Number:
R-795,PC6
Cage Code:
63857
Status:
A
MSDS:
Part Number:
P-795 PC6
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 4320-00-795-9945
What are the manufacturers of nsn 4320007959945?
Does this nsn 4320007959945 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320007959945
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 4320007959945 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320007959945 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320007959945?
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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