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 6220-01-290-4739
NSN 6130-00-334-9227
NSN 6645-01-461-9250
NSN 5985-00-565-9342
NSN 5920-00-691-7727
NSN 5945-01-310-6195
NSN 7035-01-449-1189
NSN 2925-01-106-3552
NSN 6620-01-535-6925
NSN 4140-01-184-1290
NSN 6320-01-181-9474
NSN 5999-00-170-7858