Must go into effect with part number 654068
No other part numbers with same form, fit, and function found.
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).
NSN 5990-01-024-9659
NSN 6220-01-604-2222
NSN 5835-01-657-0245
NSN 5999-01-283-4456
NSN 6240-01-486-6451
NSN 5855-01-286-9928
NSN 6685-00-462-1009
NSN 6220-00-895-1495
NSN 6220-01-449-2807
NSN 4140-01-536-7146
NSN 6645-01-359-5374
NSN 5996-00-166-8095