GASKET, SPIRAL WOUND: TYPE BASIC WITH INNER RING, APPLICATION BONNET, FILLER INSIDE DIAMETER 213 MM, FILLER OUTSIDE DIAMETER 239 MM, FILLER THICKNESS 4.8 MM, WINDING MATERIAL SS 304, FILLER MATERIAL GRAPHITE, INNER RING INSIDE DIAMETER 201 MM, SHAPE ROUND, PRESSURE RATING 600 LB, FFT: FOR GATE VALVE OF 6B; SPARES FOR VALVES (BOILER PACKAGE) U IN J3Z451;754-6B, Mnfr: KITZ CORPORATION, Mnfr Part No: K36884-1, Qty: 1 Each