The Heater,coolant,engine, cataloged under National Stock Number 2990-01-424-9017, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-424-9017 |
| Item Name | Heater,coolant,engine |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Status | ACTIVE |
| Heating Element Wattage | 300.0 |
| Power Source for Which Designed | ELECTRICITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| OL4315WT/ALS46-Y | 5/9 Secondary reference U.S. Government activity |
| 9167806-1 | 3/9 Design control — primary reference U.S. Government activity |
| OL4315WT/DIT46-Y | 5/9 Secondary reference U.S. Government activity |
NSN 2990-01-424-9017 is a Heater,coolant,engine, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
Key specifications for 2990-01-424-9017: Heating Element Wattage: 300.0; Power Source for Which Designed: ELECTRICITY; End Item Identification: WEAPON SYSTEM E/I SUPPORT EQUIPMENT, B-1 AIRCRAFT. 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 2990-01-424-9017 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.