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 6150-01-492-5811
NSN 6320-00-024-1004
NSN 5930-00-420-4867
NSN 6145-01-509-0297
NSN 6645-00-080-1087
NSN 6685-00-146-9358
NSN 6150-00-506-9159
NSN 6135-01-537-1234
NSN 6220-00-147-0035
NSN 6130-00-289-7050
NSN 5975-01-110-7508
NSN 5945-01-391-1041