2a all ends thread class 16 all ends thread quantity per inch ist end bulkhead 1.062-16 in., un, cl 2a cadmium surface treated un all ends thread series
Used on nsn 4210-01-486-1035 tfft (tactical fire fighting truck). 2a 2nd end thread class 12 all ends thread quantity per inch zinc surface treated un all ends thread series
3a 1st end bulkhead thread class 12 1st end bulkhead thread quantity per inch grumman aerospace inc supports A10 aircraft anodize surface treated unj 1st end bulkhead thread series