The Speed Control Valve, cataloged under National Stock Number 4820-01-552-2149, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-552-2149 |
| Item Name | Speed Control Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 02373001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-552-2149 is a Speed Control Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-552-2149: Special Features: PARTS LIST: CONTROL VALVE HANDLE;CABLE SPEED PLATE; MSCR-PAN HEAD; SCREW, CAP, SOCKET; PLUG, END; DOWEL; CONTROL VALVE NEEDLE; O'RING; BALL; KNOB CONTROL VALVE. 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.
NSN 4820-01-552-2149 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.