Used on helicopter, chinook, ch-47. 3a 3rd end bulkhead thread class weapon system essential passivate surface treated unjf 3rd end bulkhead thread series
3b 3rd end thread class 20 3rd end thread quantity per inch polytetrafluoroethylene coated, black, for 0.250 in. from swaged ends unjs 3rd end thread series
3b 3rd end thread class 20 3rd end thread quantity per inch polytetrafluoroethylene coated internally per M222 passivate body surface treated unjs 3rd end thread series
3a 3rd end thread class 18 3rd end thread quantity per inch black polytetrafluoroethylene coated to a distance of 0.410 in. min, 0.435 in. max into id of second end, and on od except for one 0.250 in. band located on second end 1.195 in. from band center to end unjs 3rd end thread series
Used on aircraft: airlifter c-17a, and the hornet f/a-18. black polytetrafluoroethylene coated 0.410 in. min, 0.435 in. max depth in id of second end, and on od; weapon system essential
3a 2nd end thread class 12 2nd end thread quantity per inch 2nd end bulkhead, 1.062-12 in. unj, cl 3a passivate surface treated unj 2nd end thread series
3a 2nd end bulkhead thread class polytetrafluoroethylene coat on permaswage ends on id only 0.190 in. min 0.240 in. max passivate outside surface treated unjf 2nd end bulkhead thread series
3b 1st end thread class 20 1st end thread quantity per inch polytetrafluoroethylene coated, black, for first swaged end 0.190 in. to 0.240 in. unjs 1st end thread series
3b 1st end thread class 20 1st end thread quantity per inch polytetrafluoroethylene coated, black, for 0.190 in. to 0.240 in. first swaged end unjs 1st end thread series
3b 3rd end thread class 24 3rd end thread quantity per inch polytetrafluoroethylene coated black to a distance of 0.240 in. from end unjs 3rd end thread series
3a 3rd end thread class 20 3rd end thread quantity per inch black polytetrafluoroethylene coated to a depth of 0.190 in. min, 0.240 in. max on id of second end, and on od, except for 0.250 band located 0.635 in. from band center to second end unjs 3rd end thread series
3a 3rd end thread class 18 3rd end thread quantity per inch black polytetrafluoroethylene coated 0.365 in. min, 0.390 in. max into first end bore, AND0.410 in. min, 0.435 in. max in. into second end bore, and on outside except for third end thread, and an 0.250 in. band on second end, 1.195 in. from center of band to second end unjs 3rd end thread series