Part Number: B21T

Bell observation helicopter, oh-58a

Consist of 1 body, double wye; 1 nut; 3 nut sub-aasy; 1 cap; 6 washers; mtl aluminum, qq-a-596, alloy 356, t6; inside and outside surface treatment annodize gray mil-a-8625; operating pressure 125.0 psi; opr temp degrees f 0.0 to 600.0; used in aircraft fuel lines; first end internal threaded cres coupling, 0.375 in. Od tube, 0.562-18 in. 3b unf thd, 2.053 in. Leg lg; second end internally threaded cres coupling, 0.500 in. Od tube, 0.750-16 in. 3b unf thd, 2.803 in. Leg lg; third end internally threaded cres coupling, 0.500 in. Od tube, 0.750-16 in. 3b unf thd, 2.053 in. Leg lg; fourth end internally threaded cres coupling 0.500 in. Od tube, 0.750-16 in. 3b unf thd, 2.053 in. Leg lg; passivated finish all couplings; aluminum ally annodized bulkhead fitting 1.000 in. Od tube, 1.312-12 in. Un 3a external thd located on second end all threads right hand