The Air Conditioner, cataloged under National Stock Number 4120-01-678-9381, is classified within Federal Supply Class 4120 (Air Conditioning Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Bae Systems Integrated System Technologies Ltd. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4120-01-678-9381 |
| Primary Part Number | 26127556 |
| Item Name | Air Conditioner |
| FSC / FSG | 4120 / 41 — Air Conditioning Equipment |
| Manufacturer | Bae Systems Integrated System Technologies Ltd |
| Status | ACTIVE |
| Coolant Type | R-410A A |
| Extra Long Reference Number | EC-WAC-S02.0-N-N-N-C-22-022D-20X-N-F06-A3X-AXIX |
| Cabinet Material | STEEL CORROSION RESISTING |
| Mounting Type | WALL |
| Reference Number Differentiating Characteristics | DIFFRENTIATED BY EXTRA LONG REFERENCE PART NUMBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 26127556 | Bae Systems Integrated System Technologies Ltd (GBR) |
| Reference | Meaning |
|---|---|
| EC-WAC-S02.0-N-N-N-C-22-022D-20- | 3/1 Design control — primary reference Bebco Environmental Controls Corporation |
| EC-WAC-S02.0-N-N-N-C-22-022D-20- | 5/1 Secondary reference Bebco Industries Inc. Dba Bebco Industries |
NSN 4120-01-678-9381 is a Air Conditioner, manufactured by Bae Systems Integrated System Technologies Ltd, classified under FSC 4120, Air Conditioning Equipment. Status: active.
NSN 4120-01-678-9381 has 1 manufacturer part number on file: 26127556 (Bae Systems Integrated System Technologies Ltd).
Key specifications for 26127556: Coolant Type: R-410A A; Extra Long Reference Number: EC-WAC-S02.0-N-N-N-C-22-022D-20X-N-F06-A3X-AXIX; Weight: 2.0 TONS NOMINAL; Special Features: WITH COIL COATING. 5 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.
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.