The Air Conditioner, cataloged under National Stock Number 4120-01-049-5291, is classified within Federal Supply Class 4120 (Air Conditioning Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4120-01-049-5291 |
| Primary Part Number | SHIALT A0R-40 |
| Item Name | Air Conditioner |
| FSC / FSG | 4120 / 41 — Air Conditioning Equipment |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Coolant Type | FREON-22 |
| Current Type | DC |
| Power Source | ELECTRIC MOTOR |
| Cooling Capacity in Btu Per Hour | 180000.0 NOMINAL |
| Electric Motor Quantity | 2 |
| Surface Treatment | ENAMEL |
| Usage Design | COMPRESSOR,BLOWER |
| Cabinet Material | STEEL |
| Mounting Type | FLOOR |
| Condenser Cooling Type | AIR OR WATER |
| Compressor Unit Type | HERMETICALLY SEALED |
| 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 |
|---|---|
| SHIALT A0R-40 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| MCMAC15-2 | 3/9 Design control — primary reference Therm-Air Mfg Co Inc |
NSN 4120-01-049-5291 is a Air Conditioner, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4120, Air Conditioning Equipment. Status: active.
NSN 4120-01-049-5291 has 1 manufacturer part number on file: SHIALT A0R-40 (Naval Inventory Control Point Mechanicsburg).
Key specifications for SHIALT A0R-40: Coolant Type: FREON-22; Current Type: DC; Power Source: ELECTRIC MOTOR; Cooling Capacity in Btu Per Hour: 180000.0 NOMINAL. 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.
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.