>> Search results for: 40D990 NSN Search Results National Stock Number (NSN) Description 4810-00-018-3826, 4810000183826 VALVE,BUTTERFLY 5331-01-433-0079 , 5331014330079 O-RING 1 Related Inventory 40D990D019W12Condition NEToilet Kit: For Readily AvailableAdd to RFQ 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