Airframe & Powerplant B737 TEST FIXTURE – PRESSURE RELIEF VALVE, FL Used to provide a means of applying pneumatic pressure or a vacuum to test positive and negative relief action of the relief valve while installed on the fuel surge tank. TAGS: 28 OEM PN:: F80166-1 TOMX PN:: N/A TOOL TAG: SPL-3899 Related posts Fuel tank access tableTERMOHIGROMETER LOGGERCF34-10E ENGINE STAND ADAPTER KITPISTOLA DE CALOR BOSCHInterior Panel GageLock Aleron Actuator B757Vapor Barrier Caps and Plugs…SLIDE SAFETY SIGNOVERSPILL COLLECTION KITWeighing Scale – 100KG