The Air Conditioner, cataloged under National Stock Number 4120-01-089-4053, is classified within Federal Supply Class 4120 (Air Conditioning Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Walker Power Systems, Inc. Dba Tiernay Turbines. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4120-01-089-4053 |
| Primary Part Number | TM18KV-208-3-60 |
| Item Name | Air Conditioner |
| FSC / FSG | 4120 / 41 — Air Conditioning Equipment |
| Manufacturer | Walker Power Systems, Inc. Dba Tiernay Turbines |
| Status | ACTIVE |
| Phase | THREE |
| Coolant Type | FREON-22 |
| Current Type | AC |
| Power Source | ELECTRIC MOTOR |
| Cooling Capacity in Btu Per Hour | 18000.0 NOMINAL |
| Heating Capacity in Btu Per Hour | 12000.0 NOMINAL |
| Electric Motor Quantity | 2 |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM |
| Usage Design | COMPRESSOR,CONDENSER AND EVAPORATOR FAN |
| Mounting Type | FLOOR |
| Voltage Rating | 208.0 VOLTS NOMINAL |
| Compressor Unit Type | CLOSED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| TM18KV-208-3-60 PRIMARY | Walker Power Systems, Inc. Dba Tiernay Turbines (USA) |
NSN 4120-01-089-4053 is a Air Conditioner, manufactured by Walker Power Systems, Inc. Dba Tiernay Turbines, classified under FSC 4120, Air Conditioning Equipment. Status: active.
NSN 4120-01-089-4053 has 1 manufacturer part number on file: TM18KV-208-3-60 (Walker Power Systems, Inc. Dba Tiernay Turbines).
Key specifications for TM18KV-208-3-60: Phase: THREE; Coolant Type: FREON-22; Current Type: AC; Power Source: ELECTRIC MOTOR. 12 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.