The Valve,expansion, cataloged under National Stock Number 4820-01-647-4285, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corp Div Sporlan Division. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,expansion |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Johnson Controls Navy Systems, Llc (CAGE 66935); Parker-Hannifin Corp Div Sporlan Division (CAGE 78462) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-647-4285 |
| Primary Part Number | EGSE-1/2 X 3/8 X 1/2 |
| Item Name | Valve,expansion |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corp Div Sporlan Division |
| 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 |
|---|---|
| 025-42158-000 | Johnson Controls Navy Systems, Llc (USA) |
| 025-44178-000 | Johnson Controls Navy Systems, Llc (USA) |
| EGSE-1/2 X 3/8 X 1/2 PRIMARY | Parker-Hannifin Corp Div Sporlan Division (USA) |
| Reference | Meaning |
|---|---|
| 377-27833-000 ITEM 2 | C/1 Advisory reference — outside the item-of-supply concept Johnson Controls Navy Systems, Llc |
| 377-28429-000 ITEM 2 | C/1 Advisory reference — outside the item-of-supply concept Johnson Controls Navy Systems, Llc |
NSN 4820-01-647-4285 is a Valve,expansion, manufactured by Parker-Hannifin Corp Div Sporlan Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-647-4285 has 3 manufacturer part numbers on file: 025-42158-000 (Johnson Controls Navy Systems, Llc), 025-44178-000 (Johnson Controls Navy Systems, Llc), EGSE-1/2 X 3/8 X 1/2 (Parker-Hannifin Corp Div Sporlan Division).
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.