O-RING, NOT METAL DETECTABLE METAL DETECTABLE, NOT X-RAY DETECTABLE X-RAY DETECTABLE, SYSTEM OF MEASUREMENT INCH, CROSS SECTION SHAPE ROUND, O-RING MATERIAL PTFE, DUROMETER (HARDNESS) RATING VERY HARD, NOMINAL INSIDE DIA. 1/2 IN, NOMINAL WIDTH 1/16 IN, ACTUAL INSIDE DIA. 0.489 IN, ACTUAL WIDTH 0.07 IN, DASH NUMBER 014, COLOR WHITE, DUROMETER 55D, NOMINAL OUTSIDE DIA. 5/8 IN, ACTUAL OUTSIDE DIA. 0.629 IN, TEMP. RANGE -300 DEGREES TO 500 DEGREES F,