5680-00-711-1423 (20LIDE)
NSN 5680-00-711-1423 (NIIN 00-711-1423) is a manhole cover in Federal Supply Class 5680, Miscellaneous Construction Materials — a metallic item for mounting upon a frame, manhole and completely closing the opening. Manufacturer part number 20LIDE.
NIIN assigned January 1963; DEMIL A (none required).