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Piston Ring NSN 2825-00-273-0618

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 2825-00-273-0618 NSN: 2825-00-273-0618

Features and Characteristics

Cross Sectional Shape
Plain rectangular, straight face
Ring Style
Concentric
Radial Wall Thickness
Between 0.1550 inches and 0.1750 inches
Overall Width
Between 0.2480 inches and 0.2490 inches
Standard Bore Diameter
4.000 inches
Joint Style
Diagonal joint
Material
Iron
Fsc Application Data
Turbine, steam
FSC
2825 Steam Turbines And Components
NIIN
002730618
NSN
2825002730618

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1389661
Cage Code:
11660
Status:
A
MSDS:
Part Number:
25J749PC7
Cage Code:
79500
Status:
A
MSDS:
Part Number:
26J81PC41
Cage Code:
79500
Status:
A
MSDS:
Part Number:
26J243PC41
Cage Code:
79500
Status:
A
MSDS:
Part Number:
26J52PC98
Cage Code:
79500
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 2825-00-273-0618
What are the manufacturers of nsn 2825002730618?
Does this nsn 2825002730618 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2825002730618
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 2825002730618 contain any precious metals?
Precious metal content is unknown.
Does nsn 2825002730618 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2825002730618?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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