Upper hexagon castellated 6 places center to center along flats, 0.125 in. Min 0.155 in. Max through w, 0.187 in. Depth
A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 5965-01-314-5269
NSN 5965-01-422-7638
NSN 6610-01-265-1824
NSN 6650-01-433-5098
NSN 6610-01-460-1385
NSN 5925-01-095-1995
NSN 5998-01-421-9699
NSN 5920-01-131-2758
NSN 6110-00-905-6148
NSN 6105-00-623-0365
NSN 5985-00-538-6373
NSN 5975-00-935-3942