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 5960-01-495-0859
NSN 6145-01-616-2106
NSN 6110-01-521-3032
NSN 5915-01-212-2988
NSN 5910-01-081-8086
NSN 6130-01-408-5814
NSN 6320-00-400-8042
NSN 5905-00-446-9083
NSN 5999-01-056-4490
NSN 5999-00-890-2662
NSN 6135-01-034-5202
NSN 4140-01-258-6301