The Oxygen Aftercooler, cataloged under National Stock Number 3615-01-579-5324, is classified within Federal Supply Class 3615 (Pulp and Paper Industries Machinery) of the Special Industry Machinery group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Oxygen Aftercooler |
| FSC / FSG | 3615 — Pulp and Paper Industries Machinery (FSG 36) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 3615-01-579-5324 |
| Primary Part Number | 21-19878 FIND NO 9CP |
| Item Name | Oxygen Aftercooler |
| FSC / FSG | 3615 / 36 — Pulp and Paper Industries Machinery |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 21-19878 FIND NO 9CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 22-38867CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 21-19878 FIND NO 9 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 22-38867 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3615-01-579-5324 is a Oxygen Aftercooler, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 3615, Pulp and Paper Industries Machinery. Status: active.
NSN 3615-01-579-5324 has 3 manufacturer part numbers on file: 21-19878 FIND NO 9CP (Naval Inventory Control Point Mechanicsburg), 22-38867CP (Naval Inventory Control Point Mechanicsburg), 21-19878 FIND NO 9 (Naval Inventory Control Point Mechanicsburg).
2 possible matches (shared part number, not a government interchangeability claim): 5331-01-580-2160, 5331-01-580-2164. 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.
NSN 3615-01-579-5324 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.