Alpha Resources O-RingAlpha Resources O-Ring is an aftermarket replacement O-ring seal for LECO elemental and combustion analyzers. It cross-references LECO part 625-401-301 and provides a gas-tight, leak-free seal in the analyzer's gas, combustion, or vacuum path — preventing the leaks that cause baseline drift, poor recoveries, and downtime.Replace worn or hardened O-rings during routine maintenance to keep results accurate. Supplied by Alpha Resources as an aftermarket laboratory consumable.Specifications Alpha Part Number AR01301 Unit of Measure EA Commodity / HS Code 4016.93.0000 OEM Cross-Reference OEM Brand OEM Part Number(s) LECO® 625-401-301 OEM part numbers are provided for cross-reference convenience only and do not imply the product is of OEM origin. All trademarks are the property of their respective owners.DocumentsArchived Certificates of Analysis