Thomas & Betts 5262 Liquidtight Sealing Gasket Brand: Thomas & Betts. Part Number: 5262. T&B Sealing Gasket, 1/2 in, For Use With: Liquid Tight Flexible Metal Conduits, 316 Stainless Steel, Gray, 1-5/32 in OD x 11/64 in THK. Additional Description: TB -5262 RING,SEALING 1/2 RUBBER W/STL RETAINER. Catalog Description: Liquidtight Sealing Gasket, 1/2 Inch, with 316 Stainless Steel Retainer Ring and Thermoplastic Molded Seals..