Manufactured by Western Electric Co. Inc. of Chicago, Illinois. Deep brown coloured braided loom (CO-287) with an American version of the standard RAF bell jackplug to one end (PL-179) and a Type T-44-A magnetic microphone (MC-253 mic within M-369 housing) and AAF JK-26 socket at the other. The T-44-A fitted inside the nose section of AAF masks alleviating the need for a throatmicrophone. Used primarily in aircraft fitted with RAF radio equipment, this loom enabled AAF crews with the 8th and 9th AAF to plug their American made headgear into RAF aircraft. The standard AAF helmet jackplug connecting to the JK-26 and the bellplug to the aircraft. Superb unissued condition in original issue box marked with a 1943 contract date. Also with the original instructions for installation in A-9 and A-10 oxygen masks. Stock code H22207.