0/C REF: GENERIC NO REF APUS 491001 APU - TEMPERATURE CONTROL VALVE PN MOS 49.040 SN-UNKNOWN HRSAISC 0/C REF: GENERIC NO REF APUS 491002 APU - SURGE CONTROL VALVE 3291238-2 MOS 49.045 367 HRSYSASC 0/C REF: GENERIC NO REF APUS 491003 APU - COMBUSTER DRAIN 572-514-9203 MOS TSN:0 49.4