>> Search results for: BLT812 NSN Search Results National Stock Number (NSN) Description 5855-01-446-7563, 5855014467563 COLLIMATOR,INFRARED 5855-01-446-7848 , 5855014467848 COLLIMATOR,INFRARED 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