1/2 ID size for wires or other sizes for wire insulation or firesleeve for aircraft hose assembly.
Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Per the manufacturer, the material meets AS1072 which is rated at 500* F continuous exposure.
1/2" ID silicone hose is used on vacuum systems, and kits 1/2" OD barb/hose fittings. It is not used on fuel applications.