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 2925-01-500-9120
NSN 5996-00-928-9967
NSN 5935-01-117-6921
NSN 6135-00-196-5267
NSN 6135-00-583-3966
NSN 6130-01-604-8911
NSN 5905-00-740-8205
NSN 5985-01-576-3638
NSN 6105-01-438-2738
NSN 6220-01-360-1795
NSN 5998-01-656-6166
NSN 5855-00-116-6621