WWII Type F-1A Parachute Rip Cord Automatic Release as shown on photo. Manufactured by U.S. Gauge. P/N PR-2B. Stock no 2010-681135. Spec MIL-R-5335C. Contract no AF-16565. NSN: 1670-00-511-1074. Sold for display only, NOT for use on aircraft, as is, no returns.