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 6145-00-843-8744
NSN 5895-00-216-5849
NSN 6620-01-397-2260
NSN 6610-01-612-0157
NSN 6645-00-140-5173
NSN 6130-01-627-6262
NSN 5990-01-244-9998
NSN 6685-01-444-5991
NSN 2925-01-578-7731
NSN 5999-00-189-0772
NSN 5990-01-054-3332
NSN 6240-01-494-0514