The Heater Assembly,fue, cataloged under National Stock Number 4820-01-525-2269, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tayco Engineering, Inc. Dba Tayco Engineering. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-525-2269 |
| Primary Part Number | 476-7988-3 |
| Item Name | Heater Assembly,fue |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tayco Engineering, Inc. Dba Tayco Engineering |
| Status | ACTIVE |
| Precious Material | GOLD |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 476-7988-1 | Tayco Engineering, Inc. Dba Tayco Engineering (USA) |
| 3671217P01004-1 | Northrop Grumman Systems Corporation (USA) |
| 476-7988-3 PRIMARY | Tayco Engineering, Inc. Dba Tayco Engineering (USA) |
NSN 4820-01-525-2269 is a Heater Assembly,fue, manufactured by Tayco Engineering, Inc. Dba Tayco Engineering, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-525-2269 has 3 manufacturer part numbers on file: 476-7988-1 (Tayco Engineering, Inc. Dba Tayco Engineering), 3671217P01004-1 (Northrop Grumman Systems Corporation), 476-7988-3 (Tayco Engineering, Inc. Dba Tayco Engineering).
Key specifications for 476-7988-3: Precious Material: GOLD; Criticality Code Justification: AGAV; End Item Identification: MQ-4C. 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 4820-01-525-2269 has DEMIL Code Q. 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.