MS21244B (NOTICE 1), MILITARY STANDARD: NUT, CASTELLATED, HEXAGON, COUNTERBORED ASSEMBLED WASHER, 450 DEG. F (FOR SELF RETAINING BOLTS) (29 FEB 2000) [SUPERSEDED BY NASM21244]

MS21244B (NOTICE 1), MILITARY STANDARD: NUT, CASTELLATED, HEXAGON, COUNTERBORED ASSEMBLED WASHER, 450 DEG. F (FOR SELF RETAINING BOLTS) (29 FEB 2000) [SUPERSEDED BY NASM21244].