The Valve,expansion, cataloged under National Stock Number 4820-01-454-6573, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Carrier Corp. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-454-6573 |
| Primary Part Number | 140231 |
| Item Name | Valve,expansion |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Carrier Corp |
| 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 |
|---|---|
| 140231 PRIMARY | Carrier Corp (USA) |
| 140231 | Carrier Espana Sa (ESP) |
| PCAMI/1400000140231 | E.t. - Parque Y Centro Abastecimiento Material Intendencia (ESP) |
NSN 4820-01-454-6573 is a Valve,expansion, manufactured by Carrier Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-454-6573 has 3 manufacturer part numbers on file: 140231 (Carrier Corp), 140231 (Carrier Espana Sa), PCAMI/1400000140231 (E.t. - Parque Y Centro Abastecimiento Material Intendencia).
1 possible match (shared part number, not a government interchangeability claim): 5895-01-682-3487. Verify interchangeability with system specifications before substitution.
Key specifications for 140231: Special Features: USED ON A REFRIGERATION CIRCUIT. 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.