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 6145-00-296-0085
NSN 6685-01-612-1723
NSN 5925-01-290-6976
NSN 6240-00-893-4799
NSN 5855-01-145-4903
NSN 5998-00-991-8518
NSN 5835-00-185-4919
NSN 6130-01-127-4126
NSN 6685-01-464-3766
NSN 7035-01-529-4603
NSN 6220-00-610-9103
NSN 6645-01-024-8199