Socket Type 359. Stores reference no. 10H/2206. Large brown bakelite socket that was wired into the aircraft at the different crew positions. This enabled aircrew to plug their flying helmets into the aircraft 's radio system. Unused old stock complete with wiring loom and original issue box. The latter is a bit mishaped. The 'bell' jackplug/wiring loom are pictured for reference purposes only and are not included in the sale. Stock code H20817.