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Wearing Ring NSN 2935-01-254-6449

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 2935-01-254-6449 NSN: 2935-01-254-6449

Features and Characteristics

Body Style
Plain
Overall Length
Between 0.120 inches and 0.125 inches
Body Outside Diameter
8.000 inches
Body Inside Diameter
7.755 inches
Corner Shape
Square all corners
Special Features
Butt-cut opening 0.060 in. Min 0.120 in. Max w
Material
Plastic polyamide and plastic polytetrafluoroethylene
Material Specification
42-1903, cagec 11945 mfr ref all material responses
FSC
2935 Aircraft Prime Moving Engine System Cooling Components
NIIN
012546449
NSN
2935012546449

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
30278
Cage Code:
1HP99
Status:
A
MSDS:
Part Number:
99AD1679-43-105
Cage Code:
11945
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8411917050
  • NAICS: 336412
  • SITC: 71491
  • Description: Parts of turbojet and turbopropeller aircraft engines, other than for use in civil aircraft
  • End Use (Code 50020):
    Engines and turbines for military aircraft

Q & A

Frequently asked questions for NSN 2935-01-254-6449
What are the manufacturers of nsn 2935012546449?
Does this nsn 2935012546449 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2935012546449
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 2935012546449 contain any precious metals?
No precious metal content.
Does nsn 2935012546449 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2935012546449?
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
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