The Heater,coolant,engine, cataloged under National Stock Number 2990-01-227-7121, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Fleetheet Llc Dba Five Star Manufacturing. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2990-01-227-7121 |
| Primary Part Number | K7L |
| Item Name | Heater,coolant,engine |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Fleetheet Llc Dba Five Star Manufacturing |
| Status | ACTIVE |
| Heating Element Wattage | 600.0 |
| Automatic Temp Control | NOT INCLUDED |
| Coolant Circulation Method | NATURAL |
| Mounted Heater Switch | NOT INCLUDED |
| Power Source for Which Designed | ELECTRICITY |
| Heat Delivery Rate in Btu Per Hour | 2047.2 |
| 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 |
|---|---|
| K7L PRIMARY | Fleetheet Llc Dba Five Star Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| K7L | 3/9 Design control — primary reference Five Star Mfg Co |
NSN 2990-01-227-7121 is a Heater,coolant,engine, manufactured by Fleetheet Llc Dba Five Star Manufacturing, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-227-7121 has 1 manufacturer part number on file: K7L (Fleetheet Llc Dba Five Star Manufacturing).
Key specifications for K7L: Heating Element Wattage: 600.0; Automatic Temp Control: NOT INCLUDED; Coolant Circulation Method: NATURAL; Mounted Heater Switch: NOT INCLUDED. 6 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.