>> Search results for: 20MMHEITMK7SR180 NSN Search Results National Stock Number (NSN) Description 1305-23-110-9973, 1305231109973 CARTRIDGE,20 MILLIM 1305-23-110-9979 , 1305231109979 CARTRIDGE,20 MILLIM 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