>> Search results for: SPF21 NSN Search Results National Stock Number (NSN) Description 4730-00-187-7570, 4730001877570 Cancelled -> Replaced by 4730009145098 2940-14-414-6069 , 2940144146069 FILTRE A AIR,ADMISS 1 Related Inventory MS14304-1C084730001877570Condition NSCOUPLING 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