The Ater Box,inlet and, cataloged under National Stock Number 4420-00-019-1796, 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 General Electric Co Apparatus and Engineering Service Organization Div. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Ater Box,inlet and |
| FSC / FSG | 4420 — Heat Exchangers and Steam Condensers (FSG 44) |
| Manufacturers | General Electric Co Apparatus and Engineering Service Organization Div (CAGE 4T674); General Electric Company (CAGE 24446) |
| Parameter | Value |
|---|---|
| NSN | 4420-00-019-1796 |
| Primary Part Number | 864D363PC1 |
| Item Name | Ater Box,inlet and |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | General Electric Co Apparatus and Engineering Service Organization Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 864D363PC1 PRIMARY | General Electric Co Apparatus and Engineering Service Organization Div (USA) |
| PL479D161PC55 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 479D161PC40 | 5/9 Secondary reference General Electric Co Large Steam Turbine-Generator Dept |
| 864D363PC1 | 5/9 Secondary reference General Electric Co Large Steam Turbine-Generator Dept |
NSN 4420-00-019-1796 is a Ater Box,inlet and, manufactured by General Electric Co Apparatus and Engineering Service Organization Div, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-00-019-1796 has 2 manufacturer part numbers on file: 864D363PC1 (General Electric Co Apparatus and Engineering Service Organization Div), PL479D161PC55 (General Electric Company).
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.