The Heater,coolant,engine, cataloged under National Stock Number 2990-01-046-0586, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Chromalox Wiegand E L Div Emerson Electric Co. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2990-01-046-0586 |
| Primary Part Number | 156500556-510 208V |
| Item Name | Heater,coolant,engine |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Chromalox Wiegand E L Div Emerson Electric Co |
| Status | ACTIVE |
| Reference Data and Literature | 1H, TI-6980.39, AUTOMATIC DIESEL ENGINE DRIVEN ELECTRIC GENERATOR SET, BK 45, PG VIII-124 |
| Functional Description | HEATER, IMMERSION |
| 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 |
|---|---|
| ARTM-1XX-208-2250 | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| 156500556-510 208V PRIMARY | Chromalox Wiegand E L Div Emerson Electric Co (USA) |
| ARTM-1XX-208-2250 | Chromalox Wiegand E L Div Emerson Electric Co (USA) |
| 315-465-10 | Toastmaster Inc (USA) |
| Reference | Meaning |
|---|---|
| S047-0046 | C/1 Advisory reference — outside the item-of-supply concept Hollingsworth John R Co |
NSN 2990-01-046-0586 is a Heater,coolant,engine, manufactured by Chromalox Wiegand E L Div Emerson Electric Co, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-046-0586 has 4 manufacturer part numbers on file: ARTM-1XX-208-2250 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 156500556-510 208V (Chromalox Wiegand E L Div Emerson Electric Co), ARTM-1XX-208-2250 (Chromalox Wiegand E L Div Emerson Electric Co), 315-465-10 (Toastmaster Inc).
Key specifications for 156500556-510 208V: Reference Data and Literature: 1H, TI-6980.39, AUTOMATIC DIESEL ENGINE DRIVEN ELECTRIC GENERATOR SET, BK 45, PG VIII-124; Functional Description: HEATER, IMMERSION; End Item Identification: ENGINE GENERATOR (EG), 75 KW FREMONT. 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.
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.