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 6130-01-014-4120
NSN 5920-00-683-7883
NSN 5920-00-387-5312
NSN 5905-00-023-8511
NSN 6110-01-453-6081
NSN 6240-00-627-9007
NSN 5905-00-243-5852
NSN 5935-00-952-6458
NSN 5965-01-278-8218
NSN 6240-01-541-2503
NSN 5905-00-222-6807
NSN 4140-00-772-0122