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 6685-01-229-7048
NSN 5855-01-266-1645
NSN 6320-00-225-7013
NSN 5855-01-410-8979
NSN 5930-00-873-9499
NSN 5920-01-446-4501
NSN 5920-01-125-6469
NSN 5998-00-142-5833
NSN 5915-00-155-7626
NSN 5910-00-360-6268
NSN 5920-01-224-0355
NSN 5985-01-462-0144