Used on 2540-01-522-3749 armor set, supplemental, small arms fragmentation protection. nylon-insert locking wing nut nylon 6/6 insert resists loosening caused by vibration; made of corrosion resistant die cast zinc alloy which is a good alternative to stainless steel; max. temp for nylon 6/6 insert is 250 degrees f; class 2b thread fit
Used on 5420-01-430-5403;carrier,bridge launching:tank abrams m-1. 2b thread class right-hand 20 thread quantity per inch nylon 6/6 insert resists loosening caused by vibration; nuts made of corrosion resistant die cast zinc alloy which is a good alternative to stainless steel; max. temp for nylon 6/6 insert is 250 degrees f; class 2b thread fit
3b thread class right-hand 28 thread quantity per inch nut assembly includes 2 springs, matt steel, cadmium plate; grooved washer, matt corrosion steel chromate nut surface treated
