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 5930-01-419-6170
NSN 5895-01-104-9611
NSN 5920-00-130-3593
NSN 5965-00-204-8513
NSN 5990-00-767-0893
NSN 2925-01-604-8984
NSN 5975-00-383-7679
NSN 6220-01-587-9932
NSN 5855-01-083-9053
NSN 6130-01-352-8680
NSN 6150-01-556-3218
NSN 6620-01-656-7448