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 7035-01-522-0979
NSN 5915-01-660-7485
NSN 6620-01-357-7751
NSN 4140-01-238-7887
NSN 6240-01-521-0235
NSN 5975-00-199-8023
NSN 6685-00-812-1160
NSN 5925-00-114-0740
NSN 5965-01-179-7749
NSN 6685-00-166-2509
NSN 6135-00-932-3136
NSN 6130-01-603-3452