>> Search results for: NTC1800 NSN Search Results National Stock Number (NSN) Description 2990-99-840-0742, 2990998400742 PIPE,EXHAUST 2990-99-774-9214 , 2990997749214 PIPE,EXHAUST 1 Related Inventory 2990-99-774-9214Desc: REAR SILE 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