PartsTable TECHNICAL DATA SHEET
NSN 4120-01-678-7448Government record, cited

Air Conditioner4120-01-678-7448

NSN 4120-01-678-7448 · NIIN 016787448 · Part number 2004778-X2
Hdt Expeditionary Systems Inc · FSC 4120 — Air Conditioning Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 0WJE1
Government record, cited
NSN 4120-01-678-7448 — this item is cataloged by the U.S. Government under National Stock Number 4120-01-678-7448. Manufacturer of record part number: 2004778-X2.
Also searched as  4120-01-678-7448 · 4120016787448 · NIIN 016787448 · 01-678-7448 · FSC 4120 Air Conditioning Equipment · CAGE 0WJE1 · 2004778-X2
Nearby stock numbers  ·
Features
  • Air Conditioner — FSC 4120
  • 1 manufacturer part number on file
  • Manufacturer of record: Hdt Expeditionary Systems Inc
Identification
  • NSN: 4120-01-678-7448
  • NIIN: 016787448
  • FSC: 4120 — Air Conditioning Equipment
  • FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
  • Primary part number: 2004778-X2
  • Manufacturer: Hdt Expeditionary Systems Inc
General Description

The Air Conditioner, cataloged under National Stock Number 4120-01-678-7448, is classified within Federal Supply Class 4120 (Air Conditioning Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Hdt Expeditionary Systems Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4120-01-678-7448
Primary Part Number2004778-X2
Item NameAir Conditioner
FSC / FSG4120 / 41 — Air Conditioning Equipment
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
2004778-X2 PRIMARY Hdt Expeditionary Systems Inc (USA)
No interchangeability data on file.
Other items in FSC 4120 — Air Conditioning Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4120-00-000-0076
4120-00-000-0076 · Item name not on file
4120-00-001-8402
4120-00-001-8402 · Item name not on file
4120-00-001-8403
4120-00-001-8403 · Item name not on file
4120-00-006-6074
4120-00-006-6074 · Item name not on file
4120-00-010-1372
4120-00-010-1372 · Item name not on file
4120-00-011-3383
4120-00-011-3383 · Item name not on file
4120-00-011-3387
4120-00-011-3387 · Item name not on file
4120-00-011-3388
4120-00-011-3388 · Item name not on file

Frequently Asked Questions

What is NSN 4120-01-678-7448?

NSN 4120-01-678-7448 is a Air Conditioner, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4120, Air Conditioning Equipment. Status: active.

What part numbers are listed for NSN 4120-01-678-7448?

NSN 4120-01-678-7448 has 1 manufacturer part number on file: 2004778-X2 (Hdt Expeditionary Systems Inc).

What are the specifications of 2004778-X2?

Key specifications for 2004778-X2: Part Name Assigned by Controlling Agency: AIR CONDITIONER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4120-01-678-7448 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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