Nut Height: 7/64", Width across flats: 5/16", Thread Size: 5/32", aluminum alloy overall or steel overall
From 0.103" and 0.113"
Width Across Flats
From 0.307" and 0.312"
Thready Qty Per Inch (tpi)
Nominal Thread Size
90.0 degrees minimum nut and 120.0 degrees maximum nut
Bearing Surface Type
Aluminum alloy or steel
Nut, Plain, Hexagon, also referenced with federal logistics item name code 01857
- 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.)