The TTU-557/E is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-442-1909, indicating validated use in U.S.
government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
| Part Number | TTU-557/E |
| NSN | 6625-01-442-1909 |
| ENCLOSURE FEATURE | MULTIPLE ITEM W/HOUSING |
| FUNCTIONAL CLASSIFICATION | A-A-9.3 |
| SPECIAL FEATURES | REQUESTED NAME TRIAXIAL MEASURING SYSTEM;BORESIGHTS TO 0.9 MILLIRADIANS;OPR RANGE 0.5 TO 100FT.;ANALOG AND DIGITAL READOUTS;RS-232 AND MIL-STD-1553B INTERFACE COMPATIBILITY;WITH AIRFRAME-SPECIFIC MOUNTING ADAPTERS, THIS EQUIPMENT CAN BE TAILORED FOR BORESIGHTING VIRTUALLY ANY AIRCRAFT,AS WELL AS MOST NAVAL VESSELS,GROUND VEHICLES,AND RADAR SYSTEMS FT |
| MAJOR COMPONENTS | LASER TRANSMITTER 2501200-2; LASER RECEIVER 2502200; CONTROL INDICATOR 2504200-2; ACFT MAINT FIXTURE 2506000-1; CABLES 2600130, 2507014, & 2620002 |
| END ITEM IDENTIFICATION | APQ-180 RADAR ANTENNA |
| TEST TYPE FOR WHICH DESIGNED | SIMULTANEOUSLY MEASURES AZIMUTH,ELEVATION AND ROLL WITH LASER ACCURACY |
| ENCLOSURE FEATURE | MULTIPLE ITEM W/HOUSING |
| FUNCTIONAL CLASSIFICATION | A-A-9.3 |
| SPECIAL FEATURES | REQUESTED NAME TRIAXIAL MEASURING SYSTEM;BORESIGHTS TO 0.9 MILLIRADIANS;OPR RANGE 0.5 TO 100FT.;ANALOG AND DIGITAL READOUTS;RS-232 AND MIL-STD-1553B INTERFACE COMPATIBILITY;WITH AIRFRAME-SPECIFIC MOUNTING ADAPTERS, THIS EQUIPMENT CAN BE TAILORED FOR BORESIGHTING VIRTUALLY ANY AIRCRAFT,AS WELL AS MOST NAVAL VESSELS,GROUND VEHICLES,AND RADAR SYSTEMS FT |
| MAJOR COMPONENTS | LASER TRANSMITTER 2501200-2; LASER RECEIVER 2502200; CONTROL INDICATOR 2504200-2; ACFT MAINT FIXTURE 2506000-1; CABLES 2600130, 2507014, & 2620002 |