The 7632 is a 28V Incandescent Lamp with subminiature bi-pin nylon base. The 0.32 mean spherical candle power, T4 (T-1-1/4) bi-pin nylon lamp base and 1000 hours average bulb life. This unique lamp is purpose built to provide the high light output and specified light distribution patterns required in both commercial and private aircraft. This high quality lamp features unsurpassed durability and consistency for demanding aircraft requirements.