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 5905-01-543-3229
NSN 5855-01-657-7657
NSN 6130-01-462-5118
NSN 5950-01-112-1172
NSN 2925-01-197-7864
NSN 7035-01-434-6134
NSN 6105-00-918-1595
NSN 5975-01-306-7928
NSN 5915-00-103-2631
NSN 5835-01-066-5337
NSN 6650-01-136-7891
NSN 5915-01-656-0034