Spring attached too bottom, material spring wire per astm a227, finish zinc plated
A nut, flat on top and bottom, having four flat sides of which two parallel sides are shorter than the other two. For items having a thickness (or height) exceeding two times the width, use post, electrical-mechanical equipment. (when height or thickness and/or width is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Classification: Nuts of iron or steel
NSN 4140-01-364-7845
NSN 5835-01-158-6878
NSN 5895-01-314-1786
NSN 6650-00-758-7485
NSN 5905-01-362-6982
NSN 6150-00-461-1763
NSN 5998-00-186-8583
NSN 6645-01-487-4341
NSN 6135-00-248-4102
NSN 5895-01-088-8369
NSN 6650-00-422-2958
NSN 6620-00-203-9466