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 5930-01-282-0003
NSN 6320-01-627-1594
NSN 5990-00-258-0228
NSN 6220-01-509-3404
NSN 5999-00-527-8767
NSN 2925-00-233-5644
NSN 5925-01-316-1714
NSN 5990-00-756-2555
NSN 2925-01-350-8372
NSN 5965-00-324-2428
NSN 6650-01-158-5099
NSN 5996-00-249-1104