"INTERNAL FLANGE,INTERNAL THREAD 5.000-12N3B SERIES,5.742 TO 5.745 IN. OD,2.000 IN. LG,40 UIN.FINISHED OD SURFACE W/TWO 0.060 IN. DEEP OIL GROOVES SPACED 0.810 IN.,FLANGED END OUTER EDGE CHAMFERRED 0.250 IN. BY 45 DEG,0.250 IN. WRENCHING SLOTS SPACED 180 DEG IN FLANGED END"