The Valve,thermal Expansion, cataloged under National Stock Number 4820-01-577-7555, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Electric Co Alco Controls Div. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-577-7555 |
| Primary Part Number | 059594 |
| Item Name | Valve,thermal Expansion |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Electric Co Alco Controls Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 476-84003-000 IT 28 | Johnson Controls Navy Systems, Llc (USA) |
| 025-31056 | Johnson Controls Navy Systems, Llc (USA) |
| 059594 PRIMARY | Emerson Electric Co Alco Controls Div (USA) |
| GT06321-30 | Emerson Electric Co Alco Controls Div (USA) |
NSN 4820-01-577-7555 is a Valve,thermal Expansion, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-577-7555 has 4 manufacturer part numbers on file: 476-84003-000 IT 28 (Johnson Controls Navy Systems, Llc), 025-31056 (Johnson Controls Navy Systems, Llc), 059594 (Emerson Electric Co Alco Controls Div), GT06321-30 (Emerson Electric Co Alco Controls Div).
Key specifications for 059594: Part Name Assigned by Controlling Agency: VALVE,THERMAL EXPANSION; End Item Identification: NEW CONSTRUCTION DDG102. 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.
NSN 4820-01-577-7555 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.