The Turboexpander, cataloged under National Stock Number 4820-01-474-7275, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cosmodyne, Llc Dba Cosmodyne Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-474-7275 |
| Primary Part Number | 2603169-1 |
| Item Name | Turboexpander |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cosmodyne, Llc Dba Cosmodyne Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
NSN 4820-01-474-7275 is a Turboexpander, manufactured by Cosmodyne, Llc Dba Cosmodyne Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-474-7275 has 3 manufacturer part numbers on file: 2603169-1 (Cosmodyne, Llc Dba Cosmodyne Llc), 54205-1 (Hexco International Dba Acd), 3203645-1 (Cosmodyne, Llc Dba Cosmodyne Llc).
Key specifications for 2603169-1: Special Features: REQUIRES SPECIAL CLEANING AND PACKAGING FOR OXYGEN AND NITROGEN SERVICE;FOR SHIPBOARD USE; SOURCE OF REFRIGERATION; End Item Identification: TURBO EXPANDER, FOIL BEARING. 0 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.