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NationalStockNumber.INFO

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Piston Ring

NSN: 2805-00-278-1906 | Model: 43128A

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 Properties and Flags
NATO Stock Number
2805-00-278-1906
DEMIL
NO
Cross Sectional Shape
Inside counterbore, two filled grooves, straight face scraper
Ring Style
Concentric
Radial Wall Thickness
Between 0.1900 inches and 0.2000 inches
Overall Width
Between 0.0930 inches and 0.0935 inches
Standard Bore Diameter
4.000 inches
Joint Style
Vertical joint
Material
Iron
Surface Treatment
Lead

Pricing and Availability

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NSN 2805-00-278-1906 Datasheet

Supply Class (FSC):
Except Aircraft; And Components Gasoline Reciprocating Engines
Cross Reference:
  • 43128A
  • 43128A
  • 43128A
  • 43128A
  • 43128A
  • 43128A
Cage Codes:
  • Brinkley Technology Group, Llc (CAGE 1ML14)
  • Hercules Engine Co Inc (CAGE 28265)
Replacements:
  • 2805-00-278-1906 replaces 2805-00-354-1996
Schedule B & Trade:
  • Schedule B: 8409918000 (NAICS 333618)

    Parts for spark-ignition internal combustion piston engines, nesoi

  • SITC: 71391

    Parts, n.E.S, suitable for use solely or principally with spark-ignition internal combustion piston engines

  • End Use: 21100

    Industrial engines

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

NSN Management Codes:
  • SOS
    S9c
  • AAC
    Y
  • Quantity per pack
    * special requirements.
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    9c-----
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $5.31 to $8.84..
Does NSN 2805-00-278-1906 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Greece
What is the NIIN of NSN 2805-00-278-1906?
002781906 or 00-278-1906
Does NSN 2805-00-278-1906 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 2805-00-278-1906?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963