The Valve,check, cataloged under National Stock Number 4820-01-355-3103, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sun Hydraulics Corporation. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-355-3103 |
| Primary Part Number | CKCB XCN |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sun Hydraulics Corporation |
| 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 |
|---|---|
| 40085022 | Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (GBR) |
| U80038954 | Mactaggart Scott & Co Ltd (GBR) |
| CKCB-XCN | Sun Hydraulics Ltd (GBR) |
| CKCB XCN PRIMARY | Sun Hydraulics Corporation (USA) |
| Reference | Meaning |
|---|---|
| 352-70005 | 5/9 Secondary reference Altec Industries Inc |
| 4820013553103 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 4820-01-355-3103 is a Valve,check, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-355-3103 has 4 manufacturer part numbers on file: 40085022 (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)), U80038954 (Mactaggart Scott & Co Ltd), CKCB-XCN (Sun Hydraulics Ltd), CKCB XCN (Sun Hydraulics Corporation).
Key specifications for CKCB XCN: End Item Identification: 2330-01-303-8832, SEMITRAILER, TANK TRANSPORTER. 0 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.