When ordering from the US, parcels may be subject to import tax and duty charges, which the buyer is responsible to pay. NEW OEM HUGE LOT Yamada Air Diaphragm Pump O-ring 640151 643003 640002 yp This product data sheet is originally written in English. NEW OEM HUGE LOT Yamada Air Diaphragm Pump O-ring # 640151 643003 640002 yp NOTE - There are some variety here. some packs have multiples and some are singles. There are about 30 total O rings here. I think these are all for the NDP-5FST but may work with others also This is in great condition. From a govt. lab. I will put this in bubble mailer and ship USPS 1st Class. FREE USA SHIP / Will ship international. NEW OEM HUGE LOT Yamada Air Diaphragm Pump O-ring # 640151 643003 640002 yp NOTE - There are some variety here. some packs have multiples and some are singles. There are about 30 total O rings here. I think these are all for the NDP-5FST but may work with others also This is in great condition. From a govt. lab. I will put this in bubble mailer and ship USPS 1st Class. FREE USA SHIP / Will ship international. Brand SMC Model NDP-5FST MPN ptfe To Fit 24 vdc UPC Does not apply