BS336 Female Head X Hose Shank
British Instantaneous Couplings (BIC) are currently used on all fire hydrants in WA.
British standard BS336 specifies a 2.1/2" (63mm) instantaneous connection.
The female end has two spring loaded lugs which are pulled outwards to release the male.
Fittings are most commonly made in brass,however lightweight alloy is available to order