BS EN 2997-013 2009 Edition, March 31, 2009
Aerospace series - Connectors, electrical, circular, coupled by threaded
ring, fireresistant or non fireresistant, operating temperatures - 65
Degree C to 175 Degree C continuous, 200 Degree C continuous, 260 Degree C
peak Part 013: O-ring seal for jam-nut receptacles - Product standard