1967 US AIR FORCE CRU-60/P MBU-5/P Oxygen Mask Connector USAF
Vietnam era CRU-60/P US Air Force connector for MBU-5/P oxygen mask. Made by SIERRA. Early pattern with white rubber seal (later replaced with green from the mid-70's). Dated 1967. Usually fastened to back parachutes harness or PCU-3 harnesses. This item connects the mask to the ejection seat's oxygen block.