The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-283-3071, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Brand Hydraulics. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-283-3071 |
| Primary Part Number | FC-51 3/4IN |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Brand Hydraulics |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Maximum Inlet Pressure Rating | ERR-060 |
| Valve Discharge Flow Rate | 30.0 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 |
|---|---|
| FC-51 3/4IN PRIMARY | Brand Hydraulics (USA) |
| Reference | Meaning |
|---|---|
| FC-513/4IN | C/1 Advisory reference — outside the item-of-supply concept Brand Hydraulics |
| M0040 | C/1 Advisory reference — outside the item-of-supply concept Mobilcrete International Inc |
NSN 4820-01-283-3071 is a Valve,calibrated Flow, manufactured by Brand Hydraulics, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-283-3071 has 1 manufacturer part number on file: FC-51 3/4IN (Brand Hydraulics).
Key specifications for FC-51 3/4IN: Flow Control Device: DISK; Special Features: VALVE SIZE 0.750 IN. IN; Maximum Inlet Pressure Rating: ERR-060; Valve Discharge Flow Rate: 30.0 GALLONS PER MINUTE. 3 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.