The Radiator,upper Oil, cataloged under National Stock Number 4520-00-848-2293, 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 Thermal Engineering International (usa) Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-848-2293 |
| Primary Part Number | A18535 |
| Item Name | Radiator,upper Oil |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Thermal Engineering International (usa) Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; 37.500 IN. O/A LG; 5.500 IN. O/A THK; 11.500 IN. O/A H; W/COOLING FINS AND TUBES,TANKS ON EACH END; MEDIA IS OIL IN |
| 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 |
|---|---|
| 818535 | Thermal Engineering International (usa) Inc. (USA) |
| 338993R93 | Komatsu America Corp. (USA) |
| A18535 PRIMARY | Thermal Engineering International (usa) Inc. (USA) |
| Reference | Meaning |
|---|---|
| 338993R92 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 338993R91 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 818535 | 5/9 Secondary reference Thermal Engineering International Usa Inc |
| 338993R93 | 5/9 Secondary reference U.S. Government activity |
| A18535 | 5/9 Secondary reference Thermal Engineering International Usa Inc |
| 338993R93 | 5/9 Secondary reference Komatsu American Intl Co |
| 338993R93 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
NSN 4520-00-848-2293 is a Radiator,upper Oil, manufactured by Thermal Engineering International (usa) Inc., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-848-2293 has 3 manufacturer part numbers on file: 818535 (Thermal Engineering International (usa) Inc.), 338993R93 (Komatsu America Corp.), A18535 (Thermal Engineering International (usa) Inc.).
Key specifications for A18535: General Characteristics Item Description: STEEL; 37.500 IN. O/A LG; 5.500 IN. O/A THK; 11.500 IN. O/A H; W/COOLING FINS AND TUBES,TANKS ON EACH END; MEDIA IS OIL IN. 1 specification is 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.