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NSN 4120-01-656-1741Government record, cited

Environmental Control System4120-01-656-1741

NSN 4120-01-656-1741 · NIIN 016561741 · Part number 38MVQ12---3
Carrier Corp · FSC 4120 — Air Conditioning Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 1LC15
Government record, cited
NSN 4120-01-656-1741 — this item is cataloged by the U.S. Government under National Stock Number 4120-01-656-1741. Manufacturer of record part number: 38MVQ12---3.
Also searched as  4120-01-656-1741 · 4120016561741 · NIIN 016561741 · 01-656-1741 · FSC 4120 Air Conditioning Equipment · CAGE 1LC15 · 38MVQ12---3
Nearby stock numbers  ·
Features
  • Environmental Control System — FSC 4120
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Carrier Corp
Identification
  • NSN: 4120-01-656-1741
  • NIIN: 016561741
  • FSC: 4120 — Air Conditioning Equipment
  • FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
  • Primary part number: 38MVQ12---3
  • Manufacturer: Carrier Corp
General Description

The Environmental Control System, cataloged under National Stock Number 4120-01-656-1741, is classified within Federal Supply Class 4120 (Air Conditioning Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Carrier Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts
Item NameEnvironmental Control System
FSC / FSG4120 — Air Conditioning Equipment (FSG 41)
ManufacturersCarrier Corp (CAGE 1LC15); Weathertech Distributing Company Inc Dba Totaline Refrigeration Parts & Supplies (CAGE 5HSY0)
Technical Specifications
ParameterValue
NSN4120-01-656-1741
Primary Part Number38MVQ12---3
Item NameEnvironmental Control System
FSC / FSG4120 / 41 — Air Conditioning Equipment
ManufacturerCarrier Corp
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
38MVQ12---3 PRIMARY Carrier Corp (USA)
38MVQ12---3 Weathertech Distributing Company Inc Dba Totaline Refrigeration Parts & Supplies (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 4120-01-656-1741?

NSN 4120-01-656-1741 is a Environmental Control System, manufactured by Carrier Corp, classified under FSC 4120, Air Conditioning Equipment. Status: active.

What part numbers are listed for NSN 4120-01-656-1741?

NSN 4120-01-656-1741 has 2 manufacturer part numbers on file: 38MVQ12---3 (Carrier Corp), 38MVQ12---3 (Weathertech Distributing Company Inc Dba Totaline Refrigeration Parts & Supplies).

Is NSN 4120-01-656-1741 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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