AIA/NAS NAS 698-1987
Nut, Self-Locking, Plate-Corner, Low Height C'Bore, Reduced Rivet Spacing Superseded - November 1987 (Rev. 12) [Use: DLA MS21073 REV G CANC NOTICE 1, DLA MS21073 REV G, DLA MS21073 REV F, DLA MS21073 REV E, DLA MS21073 REV D, DLA MS21073 REV C, DL