Argon Medical Devices AHD Luer Lock Cap, REF 501303, Sterile, Rx. The firm name on the label is Argon Medical Devices, Inc., Athens, TX.
The seal formed on the edge of the pouch may be incomplete, which could result in a loss of sterility to the product.
Distribution was nationwide. There was military/government distribution. Foreign distribution was made to Canada, Australia, the Netherlands, and Spain.
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-0296-2020