>> Search results for: 2120991 NSN Search Results National Stock Number (NSN) Description 4820-00-955-5788, 4820009555788 VALVE,CHECK 5342-01-133-0727 , 5342011330727 STANDOFF 1 Related Inventory 21209914820-00-955-5788 RequestAdd to RFQ92120-9915305-01-317-3991 RequestAdd 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