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 6135-00-231-7257
NSN 5905-00-207-3946
NSN 6110-00-334-3361
NSN 5895-01-091-1980
NSN 6685-01-256-6443
NSN 5895-01-056-4548
NSN 6135-00-835-7211
NSN 5999-00-815-0526
NSN 5905-01-241-9828
NSN 6685-01-454-2870
NSN 5965-00-577-1242
NSN 5990-00-106-6609