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 6105-00-664-1292
NSN 5998-00-070-9389
NSN 6620-01-226-4065
NSN 2925-00-896-9819
NSN 5975-01-273-0209
NSN 5975-00-157-9676
NSN 2925-01-049-8906
NSN 5975-01-333-9597
NSN 5835-01-538-8080
NSN 5990-01-633-9503
NSN 6685-01-291-4864
NSN 5999-01-512-8287