The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-347-6687, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sun Hydraulics Corporation. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-347-6687 |
| Primary Part Number | YSEL-FAN-CD |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sun Hydraulics Corporation |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 CHECK VALVE |
| Connection Type | THREADED INTERNAL PIPE |
| End Connection Quantity | 3 |
| Nominal Thread Size | 0.250 INCHES AND 0.750 INCHES IN |
| Body Material | ALUMINUM AND STEEL |
| Thread Series Designator | NPTF |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| YSEL-FAN-CD PRIMARY | Sun Hydraulics Corporation (USA) |
| 233407 | Allied Systems Company Dba Allied Systems Co (USA) |
NSN 4820-01-347-6687 is a Valve,linear,directional Control, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-347-6687 has 2 manufacturer part numbers on file: YSEL-FAN-CD (Sun Hydraulics Corporation), 233407 (Allied Systems Company Dba Allied Systems Co).
Key specifications for YSEL-FAN-CD: Furnished Items and Quantity: 1 CHECK VALVE; Connection Type: THREADED INTERNAL PIPE; End Connection Quantity: 3; Nominal Thread Size: 0.250 INCHES AND 0.750 INCHES IN. 7 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.