>> Search results for: AWK406C6 NSN Search Results National Stock Number (NSN) Description 2040-01-453-5564, 2040014535564 SPACER,WATERTIGHT D 3040-21-852-5018 , 3040218525018 SPACER CUP,PISTON,L 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