No other part numbers with same form, fit, and function found.
A metallic item which mounts upon or in a manhole and will accommodate a cover, manhole.
NSN 5960-01-544-1273
NSN 5960-01-641-5493
NSN 5999-01-334-7960
NSN 6105-01-625-4477
NSN 6650-01-258-5871
NSN 5945-00-152-4862
NSN 6110-01-087-6041
NSN 5975-01-491-7953
NSN 4140-00-918-4424
NSN 5930-01-122-0820
NSN 5960-00-275-7497
NSN 5950-01-022-8287