Used on c-17a aircraft; section cj236. 3a all ends thread class 16 all ends thread quantity per inch fitting, outlet, vent valve, air refuel manf - ctr fus unjf all ends thread series
3a center bulkhead thread class 28 center bulkhead thread quantity per inch 3 lockwire holes lubricant dry film seat surface treated long w/ offset wrenching facility unjs all ends thread series
Used on c-17a acft. 3a 1st end bulkhead thread class 12 1st end bulkhead thread quantity per inch flaremess w/ bulkhead threads unj 1st end bulkhead thread series