The Test Set,environmental Control S, cataloged under National Stock Number 4920-01-144-8398, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-144-8398 |
| Item Name | Test Set,environmental Control S |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Reference Data and Literature | T.O. 33D7-3-175-11 |
| Functional Description | USED TO TEST THE AIRCRAFT HEATING AND AIR CONDITIONING SYSTEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 16VA41005-3 | 5/2 Secondary reference U.S. Government activity |
| 16VA41005-3 | 5/2 Secondary reference U.S. Government activity |
| H301-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-144-8398 is a Test Set,environmental Control S, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5962-01-352-4776. Verify interchangeability with system specifications before substitution.
Key specifications for 4920-01-144-8398: Reference Data and Literature: T.O. 33D7-3-175-11; Special Features: C/O INSTRUMENT CASE, AND WHEELED ACCESSORY CASE WHICH HOLDS CABLES, PRESSURE HOSES, ADAPTERS AND TEMPERATURE PROBE; Functional Description: USED TO TEST THE AIRCRAFT HEATING AND AIR CONDITIONING SYSTEMS; End Item Identification: F-16A/B ACFT AGE. A. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4920-01-144-8398 has DEMIL Code C. 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.