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 5998-00-181-3841
NSN 5975-01-634-0678
NSN 6620-01-229-6478
NSN 5905-01-343-7100
NSN 4140-01-096-1596
NSN 5835-00-568-2956
NSN 5965-01-252-8701
NSN 6645-01-395-4129
NSN 2925-01-254-3068
NSN 5998-01-458-0944
NSN 6105-01-415-6014
NSN 6220-01-381-1074