MS90525A (NOTICE 1), MILITARY STANDARD: Y BRANCHES, 45 DEG., STRAIGHT & REDUCING, CAST IRON THREADED DRAINAGE (20 AUG 1987) [NO SUPERSEDING DOCUMENT].
MS90525A (NOTICE 1), MILITARY STANDARD: Y BRANCHES, 45 DEG., STRAIGHT & REDUCING, CAST IRON THREADED DRAINAGE (20 AUG 1987) [NO SUPERSEDING DOCUMENT].