... seals, o ring,,BS Type NBR ,SCR Type ( Self Centering ) ,Sealing Washers ,UA Type , GM 1000 , GM 2000 THREAD DIA. 'M ... ±0.3531.92.50M24FR 363024.2±0.3535.93.00hydraulic sealing items:backups , dowty seals, u seals,o rings, wipers, oil ... , piston cups,,,,etc.BS Type NBR SCR Type ( Self Centering ) VITON Sealing Washers EPDM UA Type NEOP GM 1000 HNBR GM 2000 ...