The Air Conditioner, cataloged under National Stock Number 4120-01-237-4663, is classified within Federal Supply Class 4120 (Air Conditioning Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4120-01-237-4663 |
| Item Name | Air Conditioner |
| FSC / FSG | 4120 / 41 — Air Conditioning Equipment |
| Status | ACTIVE |
| Phase | THREE |
| Coolant Type | FREON-22 |
| Current Type | AC |
| Power Source | ELECTRIC MOTOR |
| Nominal Heating Capacity | 630.0 CUBIC FEET PER MINUTE |
| Cooling Capacity in Btu Per Hour | 18000.0 NOMINAL |
| Heating Capacity in Btu Per Hour | 14300.0 NOMINAL |
| Electric Motor Quantity | 3 |
| Nominal Cooling Capacity | 640.0 CUBIC FEET PER MINUTE |
| Surface Treatment | ENAMEL |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM |
| Usage Design | COMPRESSOR,CONDENSER FAN,EVAPORATOR FAN |
| Cabinet Material | ALUMINUM-COPPER FREE |
| Mounting Type | FLOOR OR WALL |
| Voltage Rating | 208.0 VOLTS NOMINAL |
| Condenser Cooling Type | AIR |
| Compressor Unit Type | CLOSED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| F18H-3SA | 5/9 Secondary reference Drs Environmental Systems Inc |
| F18H-3SA | 3/9 Design control — primary reference U.S. Government activity |
| F18H-3SA | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4120-01-237-4663 is a Air Conditioner, classified under FSC 4120, Air Conditioning Equipment. Status: active.
Key specifications for 4120-01-237-4663: Phase: THREE; Coolant Type: FREON-22; Current Type: AC; Power Source: ELECTRIC MOTOR. 17 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.