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 5930-01-342-4572
NSN 5945-00-804-3421
NSN 5975-01-356-4544
NSN 6685-00-261-9858
NSN 5925-01-612-8995
NSN 6610-01-352-6344
NSN 5950-01-285-2449
NSN 5996-01-607-1043
NSN 6150-01-139-5283
NSN 5935-01-173-2660
NSN 5950-01-545-2908
NSN 6610-01-005-9173