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 6240-01-217-8287
NSN 6610-01-391-9355
NSN 5895-01-382-6270
NSN 7035-00-445-9657
NSN
NSN 5935-01-327-2759
NSN 6645-01-540-0231
NSN 6150-01-654-0229
NSN 5855-01-387-8827
NSN 5945-00-319-4774
NSN 5998-00-891-4495
NSN 6130-01-452-3084