49F9798-52, BJ1000ASI, Antique Aircraft Quick Fuel Drain Valve

Antique Aircraft Quick Fuel Drain Valve. P/N BJ1000ASI or 49F9798-52. Alternate P/Ns 10607785-1, BJ1000ASIMX1, TB314069. NSN: 4820-00-562-9342. Thread Size - 7/16" - 20. Lock Wire Drilled. Valve operation method is spring loaded button. Drain valve was installed but never used and will probably need new o-ring due to age.