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Eppendorf O-Ring 1AS25 5721850031

Eppendorf -- Item TECPIM000588929
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The Eppendorf O‑Ring 1AS25 (part no. 5721850031) is an OEM replacement sealing ring offered for Eppendorf instruments and accessories. It is intended to restore or maintain fluid‑ and air‑tight seals in compatible Eppendorf equipment and bench‑scale vessels. Manufacturer and authorized distributors list this item by part number for use as a direct spare part when an original O‑ring is worn or damaged.

Key Features:

  • Manufacturer: Eppendorf
  • Part number: 5721850031
  • Product name/designation: O‑Ring 1AS25
  • Sold as: individual replacement part (unit = each)

Advantages:

  • Restores original sealing performance to prevent leaks and contamination in Eppendorf devices.
  • As an OEM spare part, it supports correct fit and function with compatible Eppendorf equipment, reducing risk from non‑OEM substitutes.
  • Simple, low‑cost maintenance replacement that helps extend equipment service life and minimize instrument downtime.

Product Details

Overview
Model
Product Type Accessories
Part Number 5721850031
Brand Eppendorf
Gross Dimensions (WxDxH cm)
Net Dimensions (WxDxH cm) 12x10x1
Gross Weight (kg) 0.002
Net Weight (kg) 0.002
Specifications
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Eppendorf

The product portfolio of the business units Liquid Handling, Consumables, Separation & Instrumentation and Bioprocess includes, for example, pipettes, pipette tips, centrifuges, mixers, ultra-freezers and bioreactors for cell and gene research. In addition, Eppendorf offers a wide range of high-quality consumables. The products are most broadly used in academic and commercial research laboratories, e.g., in companies from the pharmaceutical and biotechnological as well as the chemical and food industries. They are also used in laboratories that perform clinical or environmental analysis, in forensic laboratories and in industrial laboratories where process analysis, production and quality assurance are performed.