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 5910-01-028-5615
NSN 6610-01-461-8180
NSN 6240-01-646-7098
NSN 6130-01-071-0796
NSN 6240-00-299-9819
NSN 5930-01-507-0986
NSN 6610-01-390-6925
NSN 6135-01-394-4160
NSN 5910-01-550-3373
NSN 6105-01-541-5201
NSN 6240-01-142-2963
NSN 5920-00-910-0315