ORDER BY PHONE (619) 331-9599      Contact Us      Request Quote
facebook
NationalStockNumber.org

Wearing Ring NSN 4320-00-678-8502

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 4320-00-678-8502 NSN: 4320-00-678-8502

Features and Characteristics

Body Style
Internal flange w/external locking flange
Overall Length
1.000 inches
Body Outside Diameter
Between 3.998 inches and 4.000 inches
Body Inside Diameter
Between 2.985 inches and 2.987 inches
Corner Radius
0.375 inches inside right corner
Left Side Flange Thickness
0.188 inches
Right Side Flange Thickness
0.375 inches
Distance Between Flanges
Between 0.438 inches and 0.441 inches
End To Flange Distance
0.813 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 outside right corner
Surface Finish
125.0 microinches all surfaces
Special Features
Counterbored 3.375 in. Diameter left end
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
006788502
NSN
4320006788502

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
C185A
Cage Code:
63857
Status:
A
MSDS:
Part Number:
CS4320-0108
Cage Code:
16236
Status:
A
MSDS:
Part Number:
R-656 PC32
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 4320-00-678-8502
What are the manufacturers of nsn 4320006788502?
Does this nsn 4320006788502 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320006788502
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 4320006788502 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320006788502 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320006788502?
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

What do you get when you order from nationalstocknumber.org?

  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
ASA Aviation Suppliers Association Member Logo
NQA AS 9120 Suppliers Logo
ITAR Registered International Traffic in Arms Regulations Logo