6850-01-718-6746 (7100020738)
6850-01-718-6746 is equivalent to manufacture part number 479FIP1STEP. It is a foam fire barrier and is classified under Federal Supply Class 6850 (6850 - Chemical Specialties), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6850 - Chemical Specialties and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.