MS13891B, MILITARY STANDARD: BEARING, SLEEVE, ENGINE, FLANGED, 3-1/2 INCH X 3-1/2 INCH (06 APR 1982) [NO SUPERSEDING DOCUMENT]
MS13891B, MILITARY STANDARD: BEARING, SLEEVE, ENGINE, FLANGED, 3-1/2 INCH X 3-1/2 INCH (06 APR 1982) [NO SUPERSEDING DOCUMENT].