No other part numbers with same form, fit, and function found.
A metallic item for mounting upon a frame, manhole and completely closing the opening.
Classification: Cast articles nesoi of nonmalleable cast iron
NSN 6240-01-590-9891
NSN 6105-00-443-4663
NSN 5855-01-254-6826
NSN 6150-01-429-8315
NSN 5990-01-268-6767
NSN 6135-01-295-8315
NSN 5930-00-278-7731
NSN 5965-01-647-4195
NSN 6220-01-146-7138
NSN 6105-00-686-5995
NSN 5960-01-541-5734
NSN 6220-01-474-0033