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 5855-01-643-7117
NSN 5985-00-853-1553
NSN 5965-01-265-1959
NSN 5835-01-515-6537
NSN 5855-01-519-2486
NSN 5998-01-168-7732
NSN 5835-01-199-3554
NSN 6645-01-373-2262
NSN 6105-01-345-4265
NSN 5965-00-144-2543
NSN 5998-01-354-5525
NSN 5990-01-498-0641