The Heat Interchanger,refrigerant, cataloged under National Stock Number 4130-01-220-3241, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Carrier Corp. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Heat Interchanger,refrigerant |
| FSC / FSG | 4130 — Refrigeration and Air Conditioning Components (FSG 41) |
| Manufacturers | Carrier Corp (CAGE 10855) |
| Parameter | Value |
|---|---|
| NSN | 4130-01-220-3241 |
| Primary Part Number | 90C01-3364-7 |
| Item Name | Heat Interchanger,refrigerant |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Carrier Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 90C01-3364-7 PRIMARY | Carrier Corp (USA) |
| Reference | Meaning |
|---|---|
| 25RX | 5/9 Secondary reference Marshall Engineered Products Co Dba Mepco |
| SX25 | 3/9 Design control — primary reference Marshall Engineered Products Co Dba Mepco |
NSN 4130-01-220-3241 is a Heat Interchanger,refrigerant, manufactured by Carrier Corp, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-220-3241 has 1 manufacturer part number on file: 90C01-3364-7 (Carrier Corp).
1 possible match (shared part number, not a government interchangeability claim): 3439-01-229-8880. Verify interchangeability with system specifications before substitution.
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.