The Valve,ball, cataloged under National Stock Number 4820-01-206-1668, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-206-1668 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Third Connection Face to Centerline Distance | 6.438 INCHES IN |
| Style Designator | CROSS FLANGED ENDS |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 4.000 INCHES IN |
| Maximum Operating Temp | 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Face to Face Distance | 12.875 INCHES IN |
| Material | STEEL COMP 316 STEM |
| Material | COPPER ALLOY 836 BODY |
| Material | COPPER ALLOY 836 FLOW CONTROL DEVICE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE AND GLASS FIBER SEAT |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE AND GLASS FIBER PACKING |
| 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 |
|---|---|
| DP-H-20-F15-2/P | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| DP-H-20-F15-2/POC1-10 | 5/2 Secondary reference U.S. Government activity |
| 4 IN.-DP-H-20-F15-2/P0-C1 | 3/2 Design control — primary reference U.S. Government activity |
| 2 IN.-DP-H-20-F15-2/POC1-10 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-206-1668 is a Valve,ball, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-206-1668: Third Connection Face to Centerline Distance: 6.438 INCHES IN; Style Designator: CROSS FLANGED ENDS; Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 4.000 INCHES IN. 12 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.