1-321-802-5889

NSN 4820-00-775-4772

Compression Ring

About this product

Plain rectangular, straight face cross sectional shape, concentric ring style, 0.0530 inches radial wall thickness, overall width: 0.0500 inches .

Manufacturer part number 2-1257-14 for national stock number 4820007754772.

Datasheet

  • Product description

    Piston Ring NSN 4820-00-775-4772.

  • MPN or Model

    2-1257-14

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    126700 - Piston Rings, Iron
  • Cross Sectional Shape
    Plain rectangular, straight face
  • Ring Style
    Concentric
  • Radial Wall Thickness
    0.0530 inches
  • Overall Width
    0.0500 inches
  • Standard Bore Diameter
    0.475 inches
  • Joint Style
    Diagonal joint
  • Material
    Plastic polytetrafluoroethylene
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Piston Ring

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.

Mechanic Bill explains Compression Ring

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NSN 4820007754772

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2-1257-14 Parker-hannifin Corporation
2-1257-14 Teledyne Industries Inc
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