The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-258-8065, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Warren Controls, Inc.. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-258-8065 |
| Primary Part Number | A-5410000 |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Warren Controls, Inc. |
| Status | ACTIVE |
| Flow Control Device | NEEDLE |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Style Designator | PLAIN |
| End Connection Quantity | 2 |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | COPPER ALLOY BODY |
| Material | STEEL CORROSION RESISTING STEM |
| Maximum Inlet Pressure Rating | ERR-060 |
| Thread Size and Series/type Designator | 0.250-18 NPTF FIRST END |
| Valve Discharge Flow Rate | 10.0 GALLONS PER MINUTE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A-5410000 | Warren Controls, Inc. (USA) |
| Reference | Meaning |
|---|---|
| EN20B | 3/2 Design control — primary reference U.S. Government activity |
| ENL20B | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-258-8065 is a Valve,calibrated Flow, manufactured by Warren Controls, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-258-8065 has 1 manufacturer part number on file: A-5410000 (Warren Controls, Inc.).
Key specifications for A-5410000: Flow Control Device: NEEDLE; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 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.