"CONSISTS OF RING 1,PADS 16; RING IS 0.188 IN. THK CRES 321 PER MIL-S-6721 ANNEALED,PADS ARE 0.50 IN. THK CRES 301 OR 304 PER MIL-S-5059 1/4 HARD OR 1.25 X 1.50 IN. CRES 304 PER QQ-S-763 COND B; 13.92 IN. OUTSIDE DIA; 11.48 IN. INSIDE DIA; PADS SPACED 22 DEG 30 MIN C TO C"