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 5999-00-556-0096
NSN 6620-00-001-1398
NSN 6145-01-192-0738
NSN 4140-00-657-1532
NSN 6685-01-556-4246
NSN 6620-00-022-8056
NSN 7035-01-502-6764
NSN 5990-00-864-5207
NSN 7035-01-590-7955
NSN 5930-01-027-1475
NSN 6145-01-390-1580
NSN 6150-00-156-6080