A nut, flat on top and bottom, having 12 flat sides. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).
Classification: Nuts of iron or steel
NSN 6220-00-682-8292
NSN 5975-00-372-6265
NSN 5996-01-415-3291
NSN 6150-01-368-1197
NSN 5990-01-425-2175
NSN 5945-00-219-6129
NSN 6130-00-767-4719
NSN 5915-00-823-6121
NSN 6645-01-099-6887
NSN 5975-01-166-1002
NSN 5950-01-139-5266
NSN 5996-01-483-7845