>> Search results for: IR520011100000 NSN Search Results National Stock Number (NSN) Description 5855-12-170-3866, 5855121703866 FILTER, INFRAROT- 5855-12-170-3865 , 5855121703865 FILTER, INFRAROT- 1 Related Inventory 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