MS90524A, MILITARY STANDARD: Y-BRANCHES, 90 DEG. REDUCING, CAST IRON THREADED DRAINAGE (11 JAN 1983) [NO SUPERSEDING DOCUMENT].
MS90524A, MILITARY STANDARD: Y-BRANCHES, 90 DEG. REDUCING, CAST IRON THREADED DRAINAGE (11 JAN 1983) [NO SUPERSEDING DOCUMENT].