Up: Corning Pyrex Radio Insulators¹ 9 of 12 ·Front Cover ·I.F.Cover ·Page 3 ·Page 4 ·Page 5 ·Page 6 ·Page 7 ·Page 8 ·Page 9 ·Page 10 ·I.B.Cover ·Back Cover

PYREX STAND-OFF INSULATORS--TYPE SE-2190 Number 67018 67019 67068 67069 Height (Overall) 3" 7" 3" 7" Oval Base--Brass (Overall) 3 1/16" × 1 5/8" 3 1/16" × 1 5/8" Rectangular Base--Brass (Overall) 2 7/8" × 1 5/8" 2 7/8" × 1 5/8" Tapped Hole in Brass Cap 3/8"-16 3/8"-16 3/8"-16 3/8"-16 Diameter (PYREX Part) 1¼" 1¼" 1¼" 1¼" Weight 10 oz. 17 oz. 14 oz. 20 oz. Av. Flashover Value (K.V.) Wet 7 32.5 7 32.5 Av. Flashover Value (K.V.) Dry 21.5 56 21.5 56 Packing 12 in case 12 in case 12 in case 12 in case Price (Each) $2.75 $3.00 $2.75 $3.00 Oval Base--2-9/32" holes 2-5/16" centers; Rectangular Base--4-9/32" holes and 2¼" centers. PYREX STAND-OFF INSULATOR--CORRUGATED Outside Diameter Av. Flashover Developed of of Tapped Hole Height Value (K.V.) Leakage Price No. Base¹ PYREX Part in Cap Overall Weight Wet Dry Path Each 67027 4¾" 1 5/8" to 2 1/8" 3/8"-16 12¼" 5½ lbs. 57 97.5 10½" $8.00 ¹ 4 holes 9/32" on 3 7/8" Bolt Circle. Base and cap are brass.