RAF aircrew oxygen mask hose connector's, types Mk IV and IVa.
Air Ministry stamped with reference numbers.
The Bayonet fitting Mk IV Ref. No. 6D/526 is 'new old stock' complete with a 'crocodile clip'.
The top receptacle bayonet fitting is for the 'walk around' oxygen bottle extension hose. The rubber hose is included which is in a supple condition.
Stores Reference Number 6D/482.
In a very good condition.
Due to ongoing issues with European Customs, this item is NOT FOR SALE to the EU.
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