9matly059a005-222; insulated surfaces, stress relieve iaw y050a006-102 after inital forming, anneal iaw y050a006-122 after final machining except max. Perm.(um) shall be 100, 000 min., coercive force (hc) shall be 0.03 oersteds; 1.740 in. L; 0.270 in. W;