Next Day Fitting is an authorized Parker Distributor. If you have any questions about the Parker 12FNMK4S Cap's technical information or availability please call us at: 844-323-8752Next Day Fittings is an official Parker distributor, we can offer our customers the best pricing and factory lead times. Our trained and knowledgeable staff is always ready to help with any aspect of the Parker Hannifin product purchasing process. Whether you need assistance from a customer service agent or a product engineering expert, Next Day Fittings is your Parker partner every step of the way.