The Valve,check, cataloged under National Stock Number 4820-01-422-7165, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cargotec Sweden Ab - Kalmar Industries. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-422-7165 |
| Primary Part Number | 3524 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cargotec Sweden Ab - Kalmar Industries |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| 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 |
|---|---|
| 3524 PRIMARY | Cargotec Sweden Ab - Kalmar Industries (SWE) |
| Reference | Meaning |
|---|---|
| VBS-25 150L/MIN | 5/9 Secondary reference Voac Hydrauliks Ab Main Office |
| 3524 | 3/9 Design control — primary reference Cargotec Sweden Ab - Kalmar Industries |
NSN 4820-01-422-7165 is a Valve,check, manufactured by Cargotec Sweden Ab - Kalmar Industries, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-422-7165 has 1 manufacturer part number on file: 3524 (Cargotec Sweden Ab - Kalmar Industries).
Key specifications for 3524: Style Designator: STRAIGHT THRU; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 1 specification is 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.