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 5996-01-056-1736
NSN 7035-01-505-5979
NSN 6240-00-107-1518
NSN 5910-00-284-8877
NSN 6320-01-154-1099
NSN 5996-01-606-0835
NSN 6220-01-370-4215
NSN 5996-01-394-3378
NSN 4140-00-816-0603
NSN 5965-01-218-7795
NSN 6685-01-349-7075
NSN 6320-01-159-2211