The Test Set,environmental Control S, cataloged under National Stock Number 4920-01-478-8136, 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 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-478-8136 |
| Item Name | Test Set,environmental Control S |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Phase | SINGLE |
| AC Voltage Rating | 115.0 VOLTS NOMINAL |
| Major Components | CABLE ASSEMBLY;CONVERTER;SOFTWAREDISK;STORAGE CASE |
| DC Voltage Rating | 28.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Supplementary Features | STORAGE CASE INCLUDED,12INCHESLX12INCHESWX6INCHESW, WEIGHT 30LBS, OPERATING TEMPERATURE -40DEG TO +125DEGF LBS |
| Reference Data and Literature | SERD NUMBER 410636 |
| Functional Description | PERFORM FLIGHTLINE FAULT ISOLATION AND MONITORING OF THE ENVIRONMENTAL CONTROL SYSTEM |
| Enclosure Feature | MULTIPLE ITEM W/CARRYING CASE |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Material | PLASTIC, POLYETHYLENE (PP) CARRYING CASE |
| Test Type for Which Designed | FAULT ISOLATION |
| 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 |
|---|---|
| 17G410636-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-478-8136 is a Test Set,environmental Control S, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-478-8136: Phase: SINGLE; AC Voltage Rating: 115.0 VOLTS NOMINAL; Major Components: CABLE ASSEMBLY;CONVERTER;SOFTWAREDISK;STORAGE CASE; DC Voltage Rating: 28.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED. 11 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 4920-01-478-8136 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.