Item must comply with requirements of defense supply center philadelphia production standard no. Po0153nrp
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 5950-00-947-8275
NSN 5945-01-216-0315
NSN 6130-01-158-6139
NSN 6610-01-525-2252
NSN 5990-00-864-6513
NSN 5985-00-690-0966
NSN 5835-00-949-3018
NSN 5835-01-170-5537
NSN 5915-00-827-1287
NSN 6240-01-435-6505
NSN 5925-00-460-1729
NSN 6610-01-173-6323