VEVOR Beverage Dispenser, 2.64 Gallon Drink Dispenser for Parties, Plastic Juice Dispensers with Spigot Ice Chamber, Iced Tea Lemonade Juice Water Dispensers, for Restaurants, Hotels, Parties

Yes, the flared or beveled side of both silicone washers must face outward against the flat surfaces (one flat against the spigot base outside and one flat against the tightening nut inside) so the tapered, flat sealing face sits flush against the curved dispenser wall to create a tight, leak-free compression seal.