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 5855-01-157-3093
NSN 5920-00-926-3105
NSN 5935-00-554-4124
NSN 6105-00-195-7065
NSN 6685-01-487-3361
NSN 5975-01-545-0596
NSN 5915-00-782-7662
NSN 6240-00-146-9322
NSN 6105-01-299-7789
NSN 5925-01-222-2414
NSN 5920-01-595-5324
NSN 6645-01-122-1878