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 5930-01-106-9181
NSN 5975-01-495-2529
NSN 7035-00-834-2090
NSN 4140-00-803-5474
NSN 6650-01-218-2028
NSN 6150-01-362-0816
NSN 5975-01-228-9532
NSN 2925-01-440-9912
NSN 5925-01-611-8231
NSN 5990-01-633-9503
NSN 6240-01-090-9146
NSN 5965-00-119-6207