OID value: 1.3.18.0.2.4.783
OID description:
user name
( 1.3.18.0.2.4.783 NAME 'userName' DESC 'user name' caseExactOrderingMatchcaseExactSubstringsMatchSYNTAX 1.3.6.1.4.1.1466.115.121.1.15{1023} SINGLE-VALUE USAGE userApplications )
URL for further info: www.as400.ibm.com/ldap/schema
See also the OID Repository website reference for 1.3.18.0.2.4.783