AS568-163 B40 (NBR) Buna-N Nitrile 40 Duro O-Ring [B40163] : The O-Ring Store LLC, We make getting O-Rings easy!
Silicone O Ring, 40,60, Size: 1 Mm To 1200mm
Centering Ring KF 40 With Viton® O-Ring, KF 40 (NW 40), Stainless Steel, The centering ring contains a rubber elastomeric o-ring. Those are also recognized as NW10, NW16, NW25, NW40, or KF-10
UN 30*40*5/6/7/8/10 30x40x5/6/7/8/10 TPU Cylinder Hydraulic Rotary Shaft Piston Rod Grooved U Lip O Ring Gasket Wiper Oil Seal - AliExpress
O Ring ø 15 - 40 mm, Antique Brass
20PC/lot Rubber Ring NBR Sealing O-Ring 5mm OD22/25/28/30/32/34/35/36/38/40/42/45/48/50mm Nitrile O Ring Seal Oring Gasket Ring - AliExpress
O-ring 40 x 4 mm | Hydraulicworld.nl
DANCO Medium O-Ring Assortment (40-piece) 10824 - The Home Depot
FKM O-ring 40 x 5.5 mm (80 Shore A) [2 Stuks] | Tameson.nl
uxcell 201 Stainless Steel O Ring 40mm(1.57") Outer Diameter 6mm Thickness Strapping Welded Round Rings 8pcs: Amazon.com: Industrial & Scientific