The Cock,drain, cataloged under National Stock Number 4820-00-489-5829, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-489-5829 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | STEM |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | PLAIN (HOSE) FIRST END |
| Nominal Inside Diameter Hose Accommodated | 0.188 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Connection Type | UNTHREADED EXTERNAL HOSE FIRST END |
| Style Designator | ANGLE |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 0.375 INCHES SECOND END IN |
| Thread Class | 2A SECOND END A |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF SECOND END |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 7438K | 5/9 Secondary reference U.S. Government activity |
| S7438K | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-489-5829 is a Cock,drain, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-489-5829: Flow Control Device: STEM; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: PLAIN (HOSE) FIRST END; Nominal Inside Diameter Hose Accommodated: 0.188 INCHES FIRST END IN. 13 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.