>> Search results for: AY221S27B NSN Search Results National Stock Number (NSN) Description 5990-00-090-3829, 5990000903829 Cancelled -> Replaced by 6105004880926 5990-00-503-2917 , 5990005032917 Cancelled -> Replaced by 5990007133850 5990-00-557-3672, 5990005573672 Cancelled -> Replaced by 5990005521598 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information