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NSN 4820-01-195-6305

Compression Ring

About this product

Concentric ring style, iron material, .

Manufacturer part number 642-308 for national stock number 4820011956305.

Datasheet

  • Product description

    Piston Ring NSN 4820-01-195-6305.

  • MPN or Model

    642-308

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    126700 - Piston Rings, Iron
  • Ring Style
    Concentric
  • Material
    Iron
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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 4820011956305

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
642-308 Dresser Industries Inc
000642-000-308 Dresser Industries Inc
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