The Heater,fluid,industrial, cataloged under National Stock Number 4420-01-138-6508, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Amec Foster Wheeler North America Corp. Dba Foster Wheeler. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-138-6508 |
| Primary Part Number | 1212-606-24SS1T0SS8 |
| Item Name | Heater,fluid,industrial |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Amec Foster Wheeler North America Corp. Dba Foster Wheeler |
| Status | ACTIVE |
| Heat Transfer Method | INDIRECT |
| Tube Attachment Method | EXPANDED BOTH ENDS |
| Material | COPPER ALLOY TUBES |
| 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 |
|---|---|
| 1212-606-24SS1T0SS8 PRIMARY | Amec Foster Wheeler North America Corp. Dba Foster Wheeler (USA) |
| Reference | Meaning |
|---|---|
| 1212-616-2 | D/9 Drawing number reference only Amec Foster Wheeler North America Corp. Dba Foster Wheeler |
| 1212-606-24 | D/9 Drawing number reference only Amec Foster Wheeler North America Corp. Dba Foster Wheeler |
NSN 4420-01-138-6508 is a Heater,fluid,industrial, manufactured by Amec Foster Wheeler North America Corp. Dba Foster Wheeler, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-138-6508 has 1 manufacturer part number on file: 1212-606-24SS1T0SS8 (Amec Foster Wheeler North America Corp. Dba Foster Wheeler).
Key specifications for 1212-606-24SS1T0SS8: Heat Transfer Method: INDIRECT; Tube Attachment Method: EXPANDED BOTH ENDS; Special Features: SUPER HEATER ARRANGEMEMTS; End Item Identification: BOILER MAIN,LH. 3 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.