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 6145-01-519-3281
NSN 5925-01-553-8498
NSN 5910-01-369-4820
NSN 6320-00-937-5625
NSN 6150-01-585-3959
NSN 6130-01-514-8431
NSN 6110-00-150-2014
NSN 5915-01-485-2466
NSN 6105-00-643-4975
NSN 5960-00-086-7632
NSN 6645-01-276-7818
NSN 6145-01-203-7624