Used on fwd fuse 4 5. 3a all ends thread class 20 1st end thread quantity per inch expander-dynamic beam (male) to flared tube coated on seal surface of 6M154 only with solid film lubricant flared unjf 2nd end thread series
Used on f/a-18 c/d. 3a all ends thread class 24 all ends thread quantity per inch adapter, straight, tube to boss-ring locked port connection tube size 0.25" passivate lock ring surface treated grooved unjf 2nd end thread series