2a 2nd end thread class drilled 0.090 in. dia thru both walls first end for leak check; 0.750 in. hex wrenching facility first end; second end drilled 0.080 in. dia thru 2walls 2 places 90 degrees apart for air flow diffusion unf 1st end thread series
2.141" overall length w/quick disconnect end has spring loaded release bail passivate body surface treated male coupling half npt all ends thread series
2a 2nd end thread class 20 2nd end thread quantity per inch 2 lockwire holes 0.060 in. dia; w/1 sleeve anodize surface treated unf 1st end thread series
3a all ends thread class 2.110" overall length min. temp minus 40 deg f.demineralized water passivate body surface treated male coupling half unjf all ends thread series
Used on f-15 aircraft. AE80313u elbow subassembly // AE18679-003 bracket (type i x comp a x spec mil-t-9046 or ams 4902) // part of:4710-01-343-8427 tube assembly, metal // t.o.6J12-19-3 f.2 i.18
