"CONSISTS OF FSCM 19207,PART NO. 8350944 HAVING 29 HOLES SPACED APART 19.00 IN. DIA. DRILLED THRU .531 IN. DIA.;6 HOLES IN HOUSING TAP 1/2-13 UNC-2B THD.THRU COUNTERSUNK AT 90DEG. OR COUNTERDRILLED .560 IN.DIA.X.30 DEEP; FINAL PROTECTIVE FINISH LEAD PLATE TYPE I CLASS 2 TO 1 .0005-.0010 THICK SPEC. MIL-L-13808"