Blue anodized metal dust cap made by Air-Lock, measuring 1.5″ in diameter and 1.25″ tall, engraved around the edge, "Assy A7L-101006-05, SN-1340." This cap would be used to seal and protect the oxygen inlet ports of the Apollo suit when one or both of the ports were not in use. In fine condition, with a bit of glue to the inside. This dust cap has been authenticated by Bill Ayrey, company historian at ILC Dover, the manufacturer of the Apollo, Shuttle, and Space Station suits, and is accompanied by a letter of authenticity.
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