U.S. Army AMIS

In most cases that mean the OEM’s part number. Be aware that IF Data Identifier "25S" is used to encode the UII, an Issuing Agency Code (IAC) must precede the enterprise identifier (EI), original part number and serial number (SN) string that is concatenated following "25S". If the EI is a CAGE, the IAC will always be "D". ................
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