The Heat Exchanger Air, cataloged under National Stock Number 5855-00-012-1925, is classified within Federal Supply Class 5855 (Night Vision Equipment, Emitted and Reflected Radiation) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Heat Exchanger Air |
| FSC / FSG | 5855 — Night Vision Equipment, Emitted and Reflected Radiation (FSG 58) |
| Manufacturers | Limco Airepair Inc. (CAGE 16630); Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (CAGE 60532) |
| Parameter | Value |
|---|---|
| NSN | 5855-00-012-1925 |
| Primary Part Number | A903-1498 |
| Item Name | Heat Exchanger Air |
| FSC / FSG | 5855 / 58 — Night Vision Equipment, Emitted and Reflected Radiation |
| Manufacturer | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| SCD613924 | Limco Airepair Inc. (USA) |
| A903-1498 PRIMARY | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA) |
| Reference | Meaning |
|---|---|
| SCD61392A | 3/2 Design control — primary reference U.S. Government activity |
| 66566 | 5/9 Secondary reference L3 Technologies, Inc. Dba Insight Technology Division Div Insight Technology Division |
NSN 5855-00-012-1925 is a Heat Exchanger Air, manufactured by Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters, classified under FSC 5855, Night Vision Equipment, Emitted and Reflected Radiation. Status: active.
NSN 5855-00-012-1925 has 2 manufacturer part numbers on file: SCD613924 (Limco Airepair Inc.), A903-1498 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters).
2 possible matches (shared part number, not a government interchangeability claim): 6640-00-062-7693, 5360-00-944-5348. 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.
NSN 5855-00-012-1925 has DEMIL Code B. 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.