Used on 4920-01-041-5863. 3a 1st end thread class 12 1st end thread quantity per inch round mounting flange w/8 holes, cut-off "an" thread at back of hex nut anpt 2nd end thread series
Used on lanard target pod. 3b 1st end thread class matt-al aly 6061-T651 per qq-a-250/11; ultrasonic clean per 1201 of 717806000 for min of 5 mins.; cap after cleaning to protect fluid flow cavities from contamination. unjf 1st end thread series