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Piston Ring NSN 2825-00-972-8889

Item Description

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

NSN 2825-00-972-8889 NSN: 2825-00-972-8889

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Features and Characteristics

Cross Sectional Shape
Straight face, double scraper
Ring Style
Concentric
Radial Wall Thickness
4.7180 inches
Overall Width
0.9380 inches
Standard Bore Diameter
1.250 inches
Joint Style
Vertical joint
Oil Passage Type And Quantity
2 groove outside periphery
Material
Steel comp 1020
Material Specification
Qq-s-631 federal specification single material response
FSC
2825 Steam Turbines And Components
NIIN
009728889
NSN
2825009728889

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
432B570-1
Cage Code:
0BR59
Status:
A
MSDS:
Part Number:
432B570PC1
Cage Code:
24446
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8406900040
  • NAICS: 333611
  • SITC: 71280
  • Description: Parts for steam turbines
  • End Use (Code 21100):
    Industrial engines

Q & A

Frequently asked questions for NSN 2825-00-972-8889
What are the manufacturers of nsn 2825009728889?
Does this nsn 2825009728889 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2825009728889
A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. it is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. it may include an expander. excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Does nsn 2825009728889 contain any precious metals?
No precious metal content.
Does nsn 2825009728889 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2825009728889?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
11459
FIIG:
A08400
App. Key:
A
Cond. Code:
2
Status:
A

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