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Wearing Ring NSN 4320-00-977-1113

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 4320-00-977-1113 NSN: 4320-00-977-1113

Features and Characteristics

Body Style
External locking flange
Chamfer Length
0.062 inches inside right corner
Overall Length
1.000 inches
Flange Diameter
Between 5.375 inches and 5.377 inches
Body Outside Diameter
5.359 inches
Body Inside Diameter
Between 3.360 inches and 3.362 inches
Left Side Flange Thickness
0.281 inches
Right Side Flange Thickness
0.250 inches
Distance Between Flanges
0.469 inches
End To Flange Distance
0.975 inches
Smallest External Anchor Flange Radius
2.625 inches
Largest External Anchor Flange Radius
2.813 inches
Distance Below Centerline
0.250 inches
Corner Shape
Square outside right corner
Surface Finish
125.0 microinches all surfaces
Chamfer Angle
45.0 degrees inside right corner
Material
Steel
FSC
4320 Power And Hand Pumps
NIIN
009771113
NSN
4320009771113

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CS4320-00-0353
Cage Code:
16236
Status:
A
MSDS:
Part Number:
Y-247568
Cage Code:
88032
Status:
A
MSDS:
Part Number:
Y3DM6AX2
Cage Code:
88032
Status:
A
MSDS:
Part Number:
Y3DM6AX2-20K
Cage Code:
88032
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 4320-00-977-1113
What are the manufacturers of nsn 4320009771113?
Does this nsn 4320009771113 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320009771113
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 4320009771113 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320009771113 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320009771113?
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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