אופטימי סטודנט לנהל o ring 170mm הצטברות לחץ מטריאליזם
Usa Sealing Buna-N O-Ring - 5.3mm Wide x 170mm ID, PK 2 ZUSAH5.3X170 | Zoro
10Pcs NBR O Ring Seal Gasket CS 5mm OD 15~170mm Nitrile Butadiene Rubber Spacer Oil Resistance Washer Round Shape Black|Gaskets| - AliExpress
USA Sealing - 170mm ID Viton O-Ring - 47418926 - MSC Industrial Supply
170X2 Oring 170mm ID X 2mm CS NBR Nitrile Acrylonitrile Butadiene ShA 70 Black O-ring Oring Sealing O ring Rubber - AliExpress Automobiles & Motorcycles
ZMSCH4X170 - Value Collection - 170mm ID x 178mm Od Buna-N O-Ring 4mm Thick, Round Cross Section, Durometer - 70-12in. x 9in. x 0.5in. - PK of 8
170X2 Oring 170mm ID X 2mm CS VMQ Silicone O ring O ring Sealing Rubber|Seals| - AliExpress
166mm ID x 170mm OD x 2mm CS Fluoro Rubber O-Ring 2 Pcs – Gavantools
2Pcs Rubber O-Ring OD 105mm to 170mm Select Variations 1.9mm Cross Section | eBay