The Digital Topographic Support Syst, cataloged under National Stock Number 6675-01-559-6845, is classified within Federal Supply Class 6675 (Drafting, Surveying, and Mapping Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is U S Army Topographic Engineering Center. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6675-01-559-6845 |
| Primary Part Number | DTBS-TSD-07-0006 |
| Item Name | Digital Topographic Support Syst |
| FSC / FSG | 6675 / 66 — Drafting, Surveying, and Mapping Instruments |
| Manufacturer | U S Army Topographic Engineering Center |
| Status | ACTIVE |
| Model Number | AN/TYQ-154 |
| Joint Electronics Type Designation System Item Type Number | AN/TYQ-154 |
| Security Classification | UNCLASSIFIED |
| Joint Electronics Type Designation System Item Name | DIGITAL TOPOGRAPHIC SUPPORT SYSTEM (DTSS) |
| Cubic Measure | 600.00 CUBIC FEET |
| Functional Description | AUGMENTS NATIONAL IMAGRY AND MAPPING AGENCEY (NIMA) CAPABILITIES AT THE THEATER LEVEL. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DTBS-TSD-07-0006 PRIMARY | U S Army Topographic Engineering Center (USA) |
| DTBS-TSD-07-0006 PRIMARY | Science Applications International Corporation (USA) |
| Reference | Meaning |
|---|---|
| AN/TYQ-154 | 5/2 Secondary reference U.S. Government activity |
NSN 6675-01-559-6845 is a Digital Topographic Support Syst, manufactured by U S Army Topographic Engineering Center, classified under FSC 6675, Drafting, Surveying, and Mapping Instruments. Status: active.
NSN 6675-01-559-6845 has 2 manufacturer part numbers on file: DTBS-TSD-07-0006 (U S Army Topographic Engineering Center), DTBS-TSD-07-0006 (Science Applications International Corporation).
Key specifications for DTBS-TSD-07-0006: Model Number: AN/TYQ-154; Joint Electronics Type Designation System Item Type Number: AN/TYQ-154; Security Classification: UNCLASSIFIED; Joint Electronics Type Designation System Item Name: DIGITAL TOPOGRAPHIC SUPPORT SYSTEM (DTSS). 6 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6675-01-559-6845 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.