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 4140-00-903-5799
NSN 5930-00-036-0381
NSN 5930-00-702-5204
NSN 6105-00-205-0655
NSN 6105-01-519-7525
NSN 2925-00-902-3881
NSN 5945-00-936-7570
NSN 6110-01-426-6924
NSN 7035-00-763-6180
NSN 6620-01-044-3371
NSN 5920-01-381-1306
NSN 6610-01-170-2905