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Piston Ring NSN 2825-00-740-6821

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 2825-00-740-6821 NSN: 2825-00-740-6821

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Features and Characteristics

Cross Sectional Shape
Plain rectangular, straight face
Ring Style
Concentric
Radial Wall Thickness
0.1880 inches
Overall Width
0.1880 inches
Standard Bore Diameter
3.750 inches
Joint Style
Vertical joint
Material
Iron
FSC
2825 Steam Turbines And Components
NIIN
007406821
NSN
2825007406821

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
S-607PC16
Cage Code:
93591
Status:
A
MSDS:
Part Number:
NK1250-1
Cage Code:
93591
Status:
A
MSDS:
Part Number:
S607-16
Cage Code:
93591
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 2825-00-740-6821
What are the manufacturers of nsn 2825007406821?
Does this nsn 2825007406821 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2825007406821
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 2825007406821 contain any precious metals?
Precious metal content is unknown.
Does nsn 2825007406821 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2825007406821?
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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