The Air Conditioner, cataloged under National Stock Number 4120-01-227-0052, is classified within Federal Supply Class 4120 (Air Conditioning Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Libby Power Systems, Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4120-01-227-0052 |
| Primary Part Number | 115-1048 |
| Item Name | Air Conditioner |
| FSC / FSG | 4120 / 41 — Air Conditioning Equipment |
| Manufacturer | Libby Power Systems, Llc |
| Status | ACTIVE |
| Mounting Type | TRAILER |
| 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 |
|---|---|
| A/M 32C-10D | Aeronautical and Support Equipment Type/asetds/aflcmc/ezsc (USA) |
| 115-1048 PRIMARY | Libby Power Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| MIL-A-83039 | 4/1 Identification reference U.S. Government activity |
| 103500 | 5/9 Secondary reference Walker Power Systems, Inc. Dba Tiernay Turbines |
NSN 4120-01-227-0052 is a Air Conditioner, manufactured by Libby Power Systems, Llc, classified under FSC 4120, Air Conditioning Equipment. Status: active.
NSN 4120-01-227-0052 has 2 manufacturer part numbers on file: A/M 32C-10D (Aeronautical and Support Equipment Type/asetds/aflcmc/ezsc), 115-1048 (Libby Power Systems, Llc).
4 possible matches (shared part number, not a government interchangeability claim): 3040-01-340-3293, 6505-01-480-4587, 5306-01-596-3968. Verify interchangeability with system specifications before substitution.
Key specifications for 115-1048: Overall Height: 69.000 INCHES NOMINAL IN; Overall Length: 108.000 INCHES NOMINAL IN; Overall Width: 70.000 INCHES NOMINAL IN; Special Features: TYPE DESIGNATOR - A/M32C-10D T.O.35E9-90-51. 1 specification is 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.