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 5920-00-767-0596
NSN 5915-01-490-2482
NSN 6150-01-477-4374
NSN 6645-00-967-3429
NSN 5975-01-283-8831
NSN 6240-01-458-9184
NSN 5925-01-546-5630
NSN 6145-01-458-3619
NSN 5985-00-250-3481
NSN 6610-01-263-8999
NSN 5998-00-661-0380
NSN 6130-01-368-3305