IBM 2 - page 239

CCA Release 2.54 PKA_Symmetric_Key_Import
Symmetric Key Import ZERO-PAD command (command offset X'023D') for
DATA keys using the ZERO-PAD methods
PKA92 Symmetric Key Import command (command offset X'0235') when
importing key-generating keys using the PKA92 method
PKA92 Symmetric Key Import command (command offset X'0236') when
importing PINGEN, PINVER, IPINENC, or OPINENC keys using the PKA92
method.
Chapter 5. DES Key-Management 5-89