The Heaterbundle Assy, cataloged under National Stock Number 4470-01-331-8486, is classified within Federal Supply Class 4470 (Nuclear Reactors) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Struthers Wells Corp. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4470-01-331-8486 |
| Primary Part Number | 404389E |
| Item Name | Heaterbundle Assy |
| FSC / FSG | 4470 / 44 — Nuclear Reactors |
| Manufacturer | Struthers Wells Corp |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | C |
| Part Number | Manufacturer |
|---|---|
| 404389E | Struthers Wells Corp (USA) |
| Reference | Meaning |
|---|---|
| 85-02-34015E2 | 3/1 Design control — primary reference Struthers Wells Corp |
NSN 4470-01-331-8486 is a Heaterbundle Assy, manufactured by Struthers Wells Corp, classified under FSC 4470, Nuclear Reactors. Status: active.
NSN 4470-01-331-8486 has 1 manufacturer part number on file: 404389E (Struthers Wells Corp).
Key specifications for 404389E: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS. 2 specifications are documented in the U.S. Government catalog.
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 4470-01-331-8486 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.