>> Search results for: 3K21VAA NSN Search Results National Stock Number (NSN) Description 4730-01-218-2500, 4730012182500 COUPLING HALF,QUICK DISCONNECT 4730-01-642-4399 , 4730016424399 ADAPTER,STRAIGHT,PIPE TO TUBE 1 Related Inventory LL3-K21-VAA5340011347854Condition NSPLUG 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