The Air Conditioner, cataloged under National Stock Number 4120-00-225-9752, is classified within Federal Supply Class 4120 (Air Conditioning Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Triumph Thermal Systems - Maryland, Inc.. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4120-00-225-9752 |
| Primary Part Number | VEA4-3-28029M0D |
| Item Name | Air Conditioner |
| FSC / FSG | 4120 / 41 — Air Conditioning Equipment |
| Manufacturer | Triumph Thermal Systems - Maryland, Inc. |
| Status | ACTIVE |
| Phase | THREE |
| Coolant Type | FREON-12 |
| Current Type | AC |
| Power Source | ELECTRIC MOTOR |
| Nominal Heating Capacity | 300.0 CUBIC FEET PER MINUTE |
| Cooling Capacity in Btu Per Hour | 50000.0 NOMINAL |
| Heating Capacity in Btu Per Hour | 35800.0 NOMINAL |
| Nominal Cooling Capacity | 300.0 CUBIC FEET PER MINUTE |
| Surface Treatment | ENAMEL |
| Frequency Rating | 400.09 HERTZ NOMINAL |
| Usage Design | COMPRESSOR,CONDENSER FAN,WINTERIZATION FAN |
| Cabinet Material | ALUMINUM-COPPER FREE |
| Mounting Type | FLOOR |
| Condenser Cooling Type | AIR |
| Compressor Unit Type | SEMIHERMETIC |
| 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 |
|---|---|
| VEA4-3-28029M0D PRIMARY | Triumph Thermal Systems - Maryland, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MILA52337 | 4/1 Identification reference U.S. Government activity |
NSN 4120-00-225-9752 is a Air Conditioner, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 4120, Air Conditioning Equipment. Status: active.
NSN 4120-00-225-9752 has 1 manufacturer part number on file: VEA4-3-28029M0D (Triumph Thermal Systems - Maryland, Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 4120-00-689-7403, 4120-00-722-3042, 4120-00-782-5587. Verify interchangeability with system specifications before substitution.
Key specifications for VEA4-3-28029M0D: Phase: THREE; Coolant Type: FREON-12; Current Type: AC; Power Source: ELECTRIC MOTOR. 15 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.