O-ring, 49.5 x 3 mm – Buna, Part# P23724071

$3.65

This Buna O-ring measures exactly 49.5 mm inner diameter with 3 mm thickness. It replaces Part #P23724071 (cross-reference OB-1924). The Buna-N material offers great oil resistance at a fair price. This O-ring is used in Edwards E1M18 and E2M18 pump models as part of their major overhaul kits .

  • O-Ring, 26.9 x 2.4 mm - Metal

    O-ring, 49.5 x 3 mm - Buna, Part# P23724071

    $3.65

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      O-Ring, 26.9 x 2.4 mm - Metal

      O-ring, 49.5 x 3 mm - Buna, Part# P23724071

      $3.65

      Ask a Question

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      This specific size (49.5 mm x 3 mm) is used in Edwards pump models. It is part of the official Clean & Overhaul Kit (Part #36301131) for E1M18 and E2M18 rotary vane vacuum pumps . You will also find it referenced in the parts list for the oil drain plug assembly on these pumps .

      The E1M18 and E2M18 pumps are part of Edwards’ well-known EM series. These pumps are used in labs and industries. They work well for things like GCMS, leak detectors, and backing small turbo pumps .

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