Used on 2320-01-206-4089 truck, cargo. right-hand washer insert hex machine screw lock nut size 8 with 32 threads per inch; pitch dia 0.1437-0.1465 min-max"
Used on 2590-01-558-3273; mrap - cougar. right-hand zinc-plated class 8 steel nylon-insert locknut fine thread; reliable up to 248 degrees f zinc surface treated
Used on 2540-01-566-6751;gunners seat and restraint system. 2 thread class right-hand 1/4-20 nylon lock nut finish: black luster-coated; inch thread size: 0.250 inch-20; astm specifications: astm B117; note: coating does not interfere with thread enganement; withstands salt spray of 500 hours; nuts shorter than 4" are fully threaded; nuts longer than 4" are not continuously threaded
2b thread class right-hand 32 thread quantity per inch nut, self-locking, hex ultimate tensile strength of 70 ksi black oxide except insert surface treated