No other part numbers with same form, fit, and function found.
A metallic item which mounts upon or in a manhole and will accommodate a cover, manhole.
NSN 5996-00-575-6241
NSN 5835-01-470-7700
NSN 6150-01-561-7592
NSN 5998-01-494-5796
NSN 5950-00-594-6974
NSN 5930-01-650-1759
NSN 6610-00-394-1427
NSN 5990-01-357-6175
NSN 6150-00-263-3451
NSN 5985-01-186-2036
NSN 6105-00-607-6053
NSN 2925-01-611-2423