Product Description Quick opening brass drain valve for aircraft oil or fuel systems. A slight twist opens valve. No safety wire needed in closed position. FAA approved. TSO-C76 Approved.Note: FAA Approval applies to fuel applications only. NOT FAA Approved for oil applications.CCA-1550 SPECIFICATIONS:BrassThread Size: 1/8-Inch NPTLength: 1.358-InchAction: Push to Open, Turn to LockConforms To: USAF Spec. 28208, USAF 49F9798-49, NSN 2915-00-202-6420, TSO-C76