Eppendorf O-RING STOPPER 5721411215

This is an Eppendorf OEM replacement O‑ring/stopper designed as a spare sealing element for Eppendorf rotors, bottles and related assemblies. It is used to restore or maintain a pressure/liquid seal in centrifuge rotor bottles and other bench units to prevent leaks and preserve rotor function; Eppendorf lists O‑rings as spare parts available for specific rotor and bottle models.

Key Features:

• Manufacturer part-series: 5721411xxxx — used for rotor/bottle O‑rings and seals (spare parts).
• Materials indicated for Eppendorf O‑rings: VMQ (vinyl methyl silicone) and NBR; EPDM is also shown for some replacement O‑rings.
• Typical pack sizes for related P/Ns: sold in small sets (examples: 2, 3, 5 or 10 pieces per set).
• VMQ (silicone) temperature range listed for related Eppendorf VMQ O‑rings: approximately −60°C to +230°C.

Advantages:

• Restores factory sealing performance for rotors and bottles to prevent leaks and maintain safe centrifuge operation (OEM spare part compatibility).
• Available in Eppendorf‑specified materials (VMQ/NBR/EPDM), offering chemical and temperature resistance appropriate to the application.
• Sold as small OEM sets matched to specific rotor/bottle P/Ns, simplifying correct replacement and ensuring fit.