>> Search results for: M1518211 NSN Search Results National Stock Number (NSN) Description 4820-00-138-2071, 4820001382071 BLOCK ASSEMBLY,VALVE 5305-01-272-4813 , 5305012724813 SCREW,CAP,HEXAGON HEAD 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