The Cock,drain, cataloged under National Stock Number 4820-01-486-5931, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-486-5931 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDLE |
| Nominal Pipe Size Accommodated | 0.250 INCHES ALL ENDS IN |
| Style Designator | ANGLE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Material | COPPER ALLOY BODY |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
|---|---|
| 3308450 | D/9 Drawing number reference only U.S. Government activity |
| 3308450-1 | 5/2 Secondary reference U.S. Government activity |
| B-1GM4-A | 3/9 Design control — primary reference Whitey Co |
NSN 4820-01-486-5931 is a Cock,drain, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-486-5931: Furnished Items and Quantity: 1 HANDLE; Nominal Pipe Size Accommodated: 0.250 INCHES ALL ENDS IN; Style Designator: ANGLE; Thread Direction: RIGHT-HAND ALL ENDS. 8 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.