AEROSPACE - NUTS, HEXAGONAL, PLAIN, NORMAL HEIGHT, NORMAL ACROSS FLATS, WITH MJ THREADS, CLASSIFICATIONS: 600 MPA (AT AMBIENT TEMPERATURE)/120 DEGREES C, 600 MPA (AT AMBIENT TEMPERATURE)/235 DEGREES C, 900 MPA (AT AMBIENT TEMPERATURE)/425 DEGREES C, 1100 MPA (AT AMBIENT TEMPERATURE)/235 DEGREES C, 1100 MPA (AT AMBIENT TEMPERATURE)/315 DEGREES C, 1100 MPA (AT AMBIENT TEMPERATURE)/650
British Standards Institution