The Valve,expansion, cataloged under National Stock Number 4820-01-629-8287, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Copeland Lp Dba Copeland Co. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-629-8287 |
| Primary Part Number | HFES 3 HC |
| Item Name | Valve,expansion |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Copeland Lp Dba Copeland Co |
| Status | ACTIVE |
| Flow Control Device | CAGE |
| Valve Equalizer Location | EXTERNAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Style Designator | PLAIN |
| Second End Nominal Pipe Size Accommodated | 0.5 INCHES IN |
| End Connection Quantity | 2 |
| Capillary Tube Length | 60.0 INCHES NOMINAL IN |
| Second End Style Designator | PLAIN |
| First End Connection Type | UNTHREADED EXTERNAL TUBE |
| First End Nominal Pipe Size Accommodated | 0.375 INCHES IN |
| Material | STEEL CORROSION RESISTING BODY |
| Valve Expansion Control Type | THERMOSTATIC |
| Media for Which Designed | REFRIGERANT 22 |
| Valve Equalizer Connection Type | SOLDER TUBE |
| Second End Connection Type | UNTHREADED EXTERNAL PIPE |
| 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 |
|---|---|
| HFES 3 HC PRIMARY | Copeland Lp Dba Copeland Co (USA) |
NSN 4820-01-629-8287 is a Valve,expansion, manufactured by Copeland Lp Dba Copeland Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-629-8287 has 1 manufacturer part number on file: HFES 3 HC (Copeland Lp Dba Copeland Co).
Key specifications for HFES 3 HC: Flow Control Device: CAGE; Valve Equalizer Location: EXTERNAL; Second End Relationship with First End: NOT IDENTICAL; Body Style: STRAIGHT THRU. 16 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.