A nut, flat on top and bottom, having 4 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 5975-01-227-5543
NSN 5998-01-003-2895
NSN 6145-00-846-9999
NSN 5996-01-201-7741
NSN 5910-01-225-8858
NSN 5996-01-123-9038
NSN 6240-01-319-8145
NSN 6645-01-550-9669
NSN 4140-00-024-0186
NSN 5950-00-079-2966
NSN 4140-01-022-1431
NSN 6320-00-004-9158