18X1 Oring 18mm ID X 1mm CS NBR Nitrile Acrylonitrile Butadiene IRHD 70 Black O ring Oring Sealing O ring Rubber|o rings rubber|ring rubberseal o ring - AliExpress
9/16"-18 X 1/4" Straight Adapter MORB X FNPT Steel O-Ring Adapter Hydr
O-RING.18X1.9 for Z50R 1982 (C) USA - order at CMSNL
EPDM O-ring 18 x 1 mm (70 Shore A) (50 Pcs) | Tameson.com
O-Ring 18x1.8 - EPDM - 70 Shore A - Black - ORS117911 - O-ring-stocks.eu O- Ring Webshop
Hypax | 18X1.5-N70 - METRIC - O-RING - Products
Midland Metal Mfg. 6400612 9/16-18x1-1/16-12 (m Jic X M Orb St Conn), Hydraulic, Steel O-ring Adapter, Jic To O-ring Connector | Blackhawk Supply