D38999/Series IV Connectors / 40 thru 49 are manufactured with G&H Technology's Breech Lok coupling mechanism.
Breech lok coupling is one of the newest innovations for D38999 Series IV connectors and they are only manufactured by G&H. Breech Lok offers a rugged fool-proof, quick disconnect operation (Also available in hermetic version). Major OEM's such as Lockheed, Raytheon, and Boeing will only use the D38999 Series IV Breech Lok exclusively on many of their programs.
March Electronics is the only authorized stocking value added distributor for G&H Technology's D38999/Series IV Breech Lok connectors. March Electronics also stocks the covers in all sizes and lengths for the Breech Lok connectors.