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 5920-01-179-9739
NSN 5965-01-484-9818
NSN 5855-00-821-7512
NSN 2925-01-315-1714
NSN 5895-01-514-8369
NSN 6145-01-104-5084
NSN 5925-00-202-0938
NSN 5920-01-228-1672
NSN 6320-00-389-4756
NSN 6150-00-837-2454
NSN 6145-01-202-9497
NSN 5990-01-482-5950