FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
General Description
The Cooler,air,evaporative, cataloged under National Stock Number 4120-01-449-7771, is classified within Federal Supply Class 4120 (Air Conditioning Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Cooler,air,evaporative
FSC / FSG
4120 — Air Conditioning Equipment (FSG 41)
Technical Specifications
Parameter
Value
NSN
4120-01-449-7771
Item Name
Cooler,air,evaporative
FSC / FSG
4120 / 41 — Air Conditioning Equipment
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
QC26B2
3/9Design control — primary reference
Quietaire Corporation
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 4120-01-449-7771?
NSN 4120-01-449-7771 is a Cooler,air,evaporative, classified under FSC 4120, Air Conditioning Equipment. Status: active.
Is NSN 4120-01-449-7771 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.