>> Search results for: 2640405X3PIECE29 NSN Search Results National Stock Number (NSN) Description 4820-01-135-9920, 4820011359920 RING,SEAT RETAINER 4820-01-164-7187 , 4820011647187 RETAINER,SEAT,VALVE 1 Related Inventory 2640-405X3/294820011647187Condition NSRING Readily AvailableAdd to RFQ2640-405X3 PIECE 294820011647187Condition NSRING 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