TIEFENBACH 025300 PROFILED RING / SEAL; MATERIAL: POLYURETHANE (PU); SECTION: CIRCULAR; HARDNESS: 90 SHORE A; IDENTITY: 155 MM; OD: 170 MM; THICKNESS: 13.7 MM; MANUFACTURER: TIEFENBACH – PART-NO. 025300; REFERENCE: KTB-CODE:1939745;