The Heater,immersion,liquid Fuel Fir, cataloged under National Stock Number 4520-01-467-0773, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Argo Turboserve Corporation Div Argo Turboserve Corp.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4520-01-467-0773 |
| Primary Part Number | 155-073098-003 |
| Item Name | Heater,immersion,liquid Fuel Fir |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Argo Turboserve Corporation Div Argo Turboserve Corp. |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 155-073098-003 | Argo Turboserve Corporation Div Argo Turboserve Corp. (USA) |
| 155-073098-003 | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| 155-073098-003 | 3/1 Design control — primary reference Chromalox Inc |
NSN 4520-01-467-0773 is a Heater,immersion,liquid Fuel Fir, manufactured by Argo Turboserve Corporation Div Argo Turboserve Corp., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-467-0773 has 2 manufacturer part numbers on file: 155-073098-003 (Argo Turboserve Corporation Div Argo Turboserve Corp.), 155-073098-003 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for 155-073098-003: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 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.