Matl steel sae uns k05802-b
A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. 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 4140-01-396-8926
NSN 6220-00-369-5422
NSN 5985-01-381-0582
NSN 6685-01-069-4336
NSN 6320-01-390-5385
NSN 4140-01-271-8528
NSN 5905-01-555-1420
NSN 5960-00-379-4466
NSN 5999-01-229-0224
NSN 4140-01-592-3151
NSN 4140-01-109-5112
NSN 6620-00-106-3350