5680-00-976-4415 (F1)
5680-00-976-4415 is equivalent to manufacture part number F1. It is a manhole frame and is classified under Federal Supply Class 5680 (5680 - Miscellaneous Construction Materials), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5680 - Miscellaneous Construction Materials and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.