>> Search results for: D500066REV NSN Search Results National Stock Number (NSN) Description 4820-01-645-4089, 4820016454089 VALVE,ANGLE 4820-01-645-9981 , 4820016459981 SEAT,VALVE 2590-01-644-8924, 2590016448924 SEAL,KIT 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