>> Search results for: 19997A NSN Search Results National Stock Number (NSN) Description 2990-01-330-9162, 2990013309162 MUFFLER,EXHAUST 4820-01-610-9520 , 4820016109520 VALVE,REGULATING,FLUID PRESSURE 1 Related Inventory 419997A1 Condition NECase Constructi 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