3a 1st end thread class 18 1st end thread quantity per inch lockwire holes locatedin each corner of hex anodize inside surface treated unf 2nd end thread series
2a all ends thread class 20 all ends thread quantity per inch 2 lockwire holes 0.065 in. min dia, 0.075 in. max dia passivate surface treated uns all ends thread series
Used on aircraft engines; models tf33(-100, -p-7, -pw-102, -p-3/5/9), tf-30, j-52, j-57, f110-ge-100/129, f100-pw(100, 200, 220). 3a all ends thread class 18 1st end thread quantity per inch passivate surface treated unf 2nd end thread series
2a all ends thread class bore of item to be 0.058 in. min., 0.065 in. max id.; supports anthony model mlt 6-2 forklift, 6000 lb.; nsn 3930003271575 cadmium surface treated unf all ends thread series
