The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-01-667-4301, 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 Carolina Growler Inc Div Growler Manufacturing and Engineering. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Core Assembly,fluid Cooler |
| FSC / FSG | 4420 — Heat Exchangers and Steam Condensers (FSG 44) |
| Manufacturers | Carolina Growler Inc Div Growler Manufacturing and Engineering (CAGE 550C1) |
| Parameter | Value |
|---|---|
| NSN | 4420-01-667-4301 |
| Primary Part Number | 14008D0040-5 |
| Item Name | Core Assembly,fluid Cooler |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Carolina Growler Inc Div Growler Manufacturing and Engineering |
| Status | ACTIVE |
| 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 |
|---|---|
| 14008D0040-5 PRIMARY | Carolina Growler Inc Div Growler Manufacturing and Engineering (USA) |
| Reference | Meaning |
|---|---|
| 14008D0040 | D/9 Drawing number reference only Carolina Growler Inc Div Growler Manufacturing and Engineering |
NSN 4420-01-667-4301 is a Core Assembly,fluid Cooler, manufactured by Carolina Growler Inc Div Growler Manufacturing and Engineering, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-667-4301 has 1 manufacturer part number on file: 14008D0040-5 (Carolina Growler Inc Div Growler Manufacturing and Engineering).
3 possible matches (shared part number, not a government interchangeability claim): 4310-01-667-4303, 4330-01-667-4326, 4730-01-669-2699. Verify interchangeability with system specifications before substitution.
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.