Flexible Top Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, Plain, 7/64 in Ht, 25 PK, Flexloc, Mfr#: 50FA-518

Lock Nut, Dimensional Standards MIL-S-7742, NASM25027, Finish Plain, Hex Height 7/64 in, Hex Type Standard Heavy Hex, Hex Width 9/16 in, Lock Type Flexible Top, Material Stainless Steel, Material Grade/Class 18-8, Maximum Temperature 1,200 Degrees F, Minimum Temperature -70 Degrees F, Pack Size Small Pack, Removable Yes, Resistance Properties Corrosion Resistant, Impact Resistant, Shock and Vibration Resistant, System of Measurement Inch, Thread Direction Right Hand, Thread Fit 2B