The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-435-1639, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-435-1639 |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| 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 |
| Reference | Meaning |
|---|---|
| DH-0113 | 5/9 Secondary reference Hamworthy Kse Ab |
| DH-0113 | C/1 Advisory reference — outside the item-of-supply concept Atos Spa |
| DH-0113 | 5/9 Secondary reference Tts Marine Ab Formerly Tts Ships Equipment Ab Div Dry Cargo Handling |
| 17158 IT 24 | 5/9 Secondary reference Tts Marine Ab Formerly Tts Ships Equipment Ab Div Dry Cargo Handling |
| 17158 IT 24 | 3/9 Design control — primary reference Hamworthy Kse Ab |
NSN 4820-01-435-1639 is a Valve,linear,directional Control, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-435-1639: End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 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.