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 6240-01-246-0102
NSN 6240-01-570-8070
NSN 5998-00-811-8880
NSN 5905-00-090-9405
NSN 5999-01-122-9192
NSN 6610-00-161-0680
NSN 5905-00-542-5785
NSN 6110-00-950-3058
NSN 5855-01-634-0259
NSN 5985-00-250-3481
NSN 5925-00-429-9859
NSN 5855-01-076-9369