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 5960-00-845-3482
NSN 5965-00-577-6215
NSN 6320-00-521-9350
NSN 5990-00-985-1334
NSN 5998-00-014-6645
NSN 6105-00-297-3762
NSN 5990-01-305-8121
NSN 5930-00-995-5804
NSN 2925-01-577-0004
NSN 5999-01-476-8822
NSN 7035-01-453-9175
NSN 5990-01-271-8130