A hexagonal or octagonal nut containing internal straight pipe threads. It has flat faces, one of which contains a packing recess. See also locknut, electrical conduit; locknut, tube fitting; and seal nut, pipe.
Classification: Nuts of iron or steel
NSN 5855-01-163-8152
NSN 5915-00-417-3834
NSN 6150-01-199-3947
NSN 7035-00-205-1932
NSN 5895-01-546-1657
NSN 5990-00-477-1362
NSN 6240-01-458-3396
NSN 5925-01-606-4261
NSN 5895-00-246-4415
NSN 7035-00-193-2269
NSN 5930-01-558-4083
NSN 4140-01-188-8160