MS90523A (NOTICE 1), MILITARY STANDARD: TEES, Y-BRANCHES, CROSSES, CAST IRON THREADED DRAINAGE (25 AUG 1987) [NO SUPERSEDING DOCUMENT].
MS90523A (NOTICE 1), MILITARY STANDARD: TEES, Y-BRANCHES, CROSSES, CAST IRON THREADED DRAINAGE (25 AUG 1987) [NO SUPERSEDING DOCUMENT].