The Air Conditioner, cataloged under National Stock Number 4120-01-661-0746, is classified within Federal Supply Class 4120 (Air Conditioning Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Aspen Systems, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4120-01-661-0746 |
| Primary Part Number | 63-2833974-2 |
| Item Name | Air Conditioner |
| FSC / FSG | 4120 / 41 — Air Conditioning Equipment |
| Manufacturer | Aspen Systems, Inc. |
| Status | ACTIVE |
| Criticality Code Justification | CXCY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 63-2833974-2 PRIMARY | Aspen Systems, Inc. (USA) |
| FP00027 SK-7-0-0-2-0-0-0 PRIMARY | Aspen Systems, Inc. (USA) |
| 63-2833974-2 | General Dynamics Mission Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6328339742 | 5/2 Secondary reference U.S. Government activity |
| HD-1265/U | 5/2 Secondary reference U.S. Government activity |
NSN 4120-01-661-0746 is a Air Conditioner, manufactured by Aspen Systems, Inc., classified under FSC 4120, Air Conditioning Equipment. Status: active.
NSN 4120-01-661-0746 has 3 manufacturer part numbers on file: 63-2833974-2 (Aspen Systems, Inc.), FP00027 SK-7-0-0-2-0-0-0 (Aspen Systems, Inc.), 63-2833974-2 (General Dynamics Mission Systems, Inc.).
Key specifications for 63-2833974-2: Criticality Code Justification: CXCY; Special Features: ECU WITH ATTACHED POWER CABLE (TERMINATED LEADS)MODEL NUMBER HD-1265/H; Part Name Assigned by Controlling Agency: E-ECU WITH TERMINATED CABLE; End Item Identification: WARFIGHTER INFORMATION NETWORK TACTICAL INCREMENT 2 (WINT INC 2). 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.
NSN 4120-01-661-0746 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.