The Cooler Fluid, cataloged under National Stock Number 4470-00-803-5909, is classified within Federal Supply Class 4470 (Nuclear Reactors) of the Furnace, Steam, Drying, Nuclear Reactors group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Cooler Fluid |
| FSC / FSG | 4470 — Nuclear Reactors (FSG 44) |
| Parameter | Value |
|---|---|
| NSN | 4470-00-803-5909 |
| Item Name | Cooler Fluid |
| FSC / FSG | 4470 / 44 — Nuclear Reactors |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| 703-8H | 3/9 Design control — primary reference Aqua-Chem, Inc. |
NSN 4470-00-803-5909 is a Cooler Fluid, classified under FSC 4470, Nuclear Reactors. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4420-01-534-9909. 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 4470-00-803-5909 has DEMIL Code F. 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.