The Heater,air Duct-Coolant,engine, cataloged under National Stock Number 2990-01-666-7149, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Northern Lights Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-666-7149 |
| Primary Part Number | 22-21210 |
| Item Name | Heater,air Duct-Coolant,engine |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Northern Lights Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 22-21210 PRIMARY | Northern Lights Inc (USA) |
NSN 2990-01-666-7149 is a Heater,air Duct-Coolant,engine, manufactured by Northern Lights Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-666-7149 has 1 manufacturer part number on file: 22-21210 (Northern Lights Inc).
Key specifications for 22-21210: Special Features: HEATER,AIR INTAKE; Part Name Assigned by Controlling Agency: HEATER,AIR DUCT-COOLANT,ENGINE; End Item Identification: GENERATOR. 0 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.
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.