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 2925-01-397-8028
NSN 6105-01-241-0535
NSN 6650-01-392-2204
NSN 7035-01-322-8180
NSN 5996-01-514-7341
NSN 5999-01-652-5282
NSN 6620-01-415-5803
NSN 5945-00-360-6512
NSN 5925-01-453-2864
NSN 2925-01-464-3093
NSN 5915-01-042-7629
NSN 6685-00-324-5405