The Air Conditioner, cataloged under National Stock Number 4120-00-168-1790, is classified within Federal Supply Class 4120 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Drs Environmental Systems Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4120-00-168-1790 |
| Primary Part Number | C406 |
| Item Name | Air Conditioner |
| FSC / FSG | 4120 / 41 — No Item Name Available |
| Manufacturer | Drs Environmental Systems Inc |
| Status | ACTIVE |
| Surface Treatment | ENAMEL |
| Coolant Type | FREON-12 |
| Condenser Cooling Type | AIR |
| Nondefinitive Spec/std Data | 2 CLASS |
| Compressor Unit Type | CLOSED |
| Phase | THREE |
| Cooling Capacity in Btu Per Hour | 6000.0 NOMINAL |
| Current Type | AC |
| Voltage Rating | 208.0 VOLTS NOMINAL |
| Mounting Type | FLOOR OR WALL |
| Usage Design | COMPRESSOR |
| Electric Motor Quantity | 1 |
| Power Source | ELECTRIC MOTOR |
| Frequency Rating | 400.0 HERTZ NOMINAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C406 | Drs Environmental Systems Inc (USA) |
| MIL-A-52424 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| C406 | Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA) |
NSN 4120-00-168-1790 is a Air Conditioner, manufactured by Drs Environmental Systems Inc, classified under FSC 4120 (No Item Name Available). Status: active.
NSN 4120-00-168-1790 has 3 cross-referenced part numbers: C406 (Drs Environmental Systems Inc), MIL-A-52424 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), C406 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems).
There are 12 known substitutes for 4120-00-168-1790: 4120-00-168-1788, 2940-00-356-1219, 4120-00-476-9249 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for C406: Surface Treatment: ENAMEL; Coolant Type: FREON-12; Condenser Cooling Type: AIR; Nondefinitive Spec/std Data: 2 CLASS. 15 total characteristics are documented in the Federal Logistics Information System.