The Valve,check, cataloged under National Stock Number 4820-01-421-6773, 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 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-421-6773 |
| Primary Part Number | CXFA-XDN |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sun Hydraulics Corporation |
| Status | ACTIVE |
| Connection Type | THREADED CARTRIDGE ALL ENDS |
| Style Designator | SCREW-IN CARTRIDGE |
| Material | ALUMINUM BODY |
| Opening Pressure Setting | 50.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| Q EDE HYVC/CXFA-XDN | Daimler Truck Australia Pacific Pty Ltd (AUS) |
| CXFA-XDN PRIMARY | Sun Hydraulics Corporation (USA) |
| Reference | Meaning |
|---|---|
| Q EDE HYVC/CXFA-XDN | 5/9 Secondary reference Mercedes-Benz Australia/pacific Pty Ltd |
NSN 4820-01-421-6773 is a Valve,check, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-421-6773 has 2 manufacturer part numbers on file: Q EDE HYVC/CXFA-XDN (Daimler Truck Australia Pacific Pty Ltd), CXFA-XDN (Sun Hydraulics Corporation).
Key specifications for CXFA-XDN: Connection Type: THREADED CARTRIDGE ALL ENDS; Style Designator: SCREW-IN CARTRIDGE; Special Features: BUNA N SEALS; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 5 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.