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 6240-01-408-5102
NSN 6620-01-415-5803
NSN 6240-01-307-2632
NSN 5910-00-283-7392
NSN 6220-01-632-3851
NSN 6135-01-034-5202
NSN 6110-00-205-1778
NSN 5930-01-088-9605
NSN 5855-00-688-9954
NSN 5996-01-449-0666
NSN 6110-01-006-5720
NSN 5895-01-379-4285