The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-415-0998, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-415-0998 |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | NOT IDENTICAL |
| Second End Thread Class | 3A A |
| Body Style | STRAIGHT THRU |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Thread Class | 3A A |
| First End Style Designator | PLAIN |
| End Connection Quantity | 2 |
| Second End Thread Direction | RIGHT-HAND |
| Second End Style Designator | PLAIN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.875 INCHES NOMINAL IN |
| Media for Which Designed | OIL |
| Maximum Inlet Pressure Rating | ERR-060 |
| Second End Connection Type | THREADED EXTERNAL TUBE |
| Thread Size and Series/type Designator | 13/16-16 NPT SECOND END |
| Thread Size and Series/type Designator | 7/8-14 NPT FIRST END |
| Valve Discharge Flow Rate | 12.5 GALLONS PER MINUTE |
| Second End Outside Diameter Tube Accommodated | 0.812 INCHES NOMINAL IN |
| 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 |
|---|---|
| 28124-12 | 3/9 Design control — primary reference Vonberg Valve, Inc. |
| 2396504 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-415-0998 is a Valve,calibrated Flow, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-415-0998: First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: NOT IDENTICAL; Second End Thread Class: 3A A; Body Style: STRAIGHT THRU. 19 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.