International Stainless Steel Interlock Conduit (Non-UL. Aircraft Grade. Type ISS.) Uses • Specifications • Home Page FEATURES: 300 series stainless steel construction Naturally rust and corrosion resistant Superior durability and strength Smooth interior for easy wire pull-thru Extremely flexible for easy installation Built in flexibility for simplified positioning Excellent crush proof qualities Will withstand approximately 750°F Can be furnished stiff wound depending on end use application USES: International Stainless Steel Interlock Conduit is used in heating elements and thermocouples as well as the automotive, communication and aircraft industries for wire and line protection. SPECIFICATIONS: Trade Size And Catalog Number Acceptable Internal Diameter Acceptable External Diameter Bending Radius in Inches Approx. Weight of 100 Ft. Approx. Feet Per Standard Coil Min. Max. Min. Max. ISS-1/8 0.125 0.150 0.250 0.275 1 1.5 250 ISS-5/32 0.156 0.181 0.281 0.306 1 2.2 250 ISS-3/16 0.187 0.212 0.290 0.310 1 3.75 250 ISS-7/32 0.218 0.243 0.343 0.368 1.125 5.4 250 ISS-1/4 0.250 0.275 0.350 0.388 1.25 6 250 ISS-9/32 0.281 0.306 0.406 0.431 2 6.8 250 ISS-5/16 0.312 0.337 0.437 0.462 2.125 7 250 ISS-3/8 0.375 0.400 0.500 0.525 2.25 8.4 250 ISS-7/16 0.437 0.462 0.562 0.587 2.375 9.2 200 ISS-1/2 0.500 0.525 0.625 0.650 2.5 12 200 ISS-9/16 0.562 0.587 0.687 0.712 2.75 15 200 ISS-5/8 0.625 0.650 0.750 0.775 2.875 17 200 ISS-3/4 0.750 0.775 0.875 0.900 3 21 200 ISS-7/8 0.875 0.900 1.000 1.025 3.5 24 50 ISS-1 1.000 1.025 1.125 1.150 4 28 50 ISS-1-1/4 1.250 1.275 1.375 1.400 6 40 50 ISS-1-1/2 1.500 1.525 1.625 1.650 8 48 50 ISS-2 2.000 2.025 2.125 2.150 9.5 64 50 Larger I.D. sizes are available on request- consult factory.