3b thread class right-hand 20 thread quantity per inch nut, self-locking, extended washer, double hexagon, cres, 180 ksi, 450 degrees lubricant is solid film lube iaw mil-l-46010, ty i; lubricant shall be space compatible, kal-gard "fa" only passivate surface treated
Used on 5895-01-580-5073 satellite communication subsystem. 2b thread class right-hand 32 thread quantity per inch heavy duty rivet nut zinc surface treated