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 5965-00-275-0491
NSN 5935-01-052-5160
NSN 5855-01-150-9970
NSN 5975-00-103-2814
NSN 7035-01-625-5680
NSN 6105-01-291-3515
NSN 6220-00-528-7752
NSN 5915-01-310-5408
NSN 5920-00-624-3049
NSN 5960-01-171-8944
NSN 5925-01-303-8381
NSN 5935-01-057-0459