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 5990-01-507-7495
NSN 5998-00-007-1879
NSN 6135-01-643-9081
NSN 5975-01-506-7659
NSN 6145-01-431-2262
NSN 6220-00-195-4655
NSN 5930-01-217-5626
NSN 5985-00-283-4248
NSN 5965-00-362-2158
NSN 5915-01-027-5067
NSN 5985-00-815-9067
NSN 5999-00-893-9466