The Valve,check, cataloged under National Stock Number 4820-01-236-2650, 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 6 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-236-2650 |
| Primary Part Number | CXDA-XAN |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sun Hydraulics Corporation |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | THREADED CARTRIDGE ALL ENDS |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| U80038921 | Mactaggart Scott & Co Ltd (GBR) |
| 40084997 | Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (GBR) |
| CXDA XAN | Sun Hydraulics Ltd (GBR) |
| 1128925 | Dellner Bubenzer Aktiebolag (SWE) |
| 928/06004 | Jc Bamford Excavators Ltd (GBR) |
| CXDA-XAN PRIMARY | Sun Hydraulics Corporation (USA) |
| Reference | Meaning |
|---|---|
| ASC1269800 | 5/9 Secondary reference Asc Pty Ltd |
| 3J11688 | C/1 Advisory reference — outside the item-of-supply concept Link-Belt Cranes, L.p., Lllp |
| 973166/9 | 5/9 Secondary reference Kamewa |
NSN 4820-01-236-2650 is a Valve,check, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-236-2650 has 6 manufacturer part numbers on file: U80038921 (Mactaggart Scott & Co Ltd), 40084997 (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)), CXDA XAN (Sun Hydraulics Ltd), 1128925 (Dellner Bubenzer Aktiebolag), 928/06004 (Jc Bamford Excavators Ltd) and 1 more.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-711-0994. Verify interchangeability with system specifications before substitution.
Key specifications for CXDA-XAN: Flow Control Device: DISK; Mounting Position: HORIZONTAL OR VERTICAL; Connection Type: THREADED CARTRIDGE ALL ENDS; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 6 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.