The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-232-9906, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is American Lifts Sub of Duff-Norton Co Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-232-9906 |
| Primary Part Number | DELTROL PC4-2-3.5 |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | American Lifts Sub of Duff-Norton Co Inc |
| Status | ACTIVE |
| Flow Control Device | PISTON, SPRING LOADED |
| 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 | ALUMINUM ALLOY BODY |
| Maximum Inlet Pressure Rating | ERR-060 |
| Thread Size and Series/type Designator | 0.750-18 NPTF FIRST END |
| Valve Discharge Flow Rate | 3.50 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 |
|---|---|
| DELTROL PC4-2-3.5 PRIMARY | American Lifts Sub of Duff-Norton Co Inc (USA) |
| PC4-2-3.50 PRIMARY | Deltrol Corp (USA) |
NSN 4820-01-232-9906 is a Valve,calibrated Flow, manufactured by American Lifts Sub of Duff-Norton Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-232-9906 has 2 manufacturer part numbers on file: DELTROL PC4-2-3.5 (American Lifts Sub of Duff-Norton Co Inc), PC4-2-3.50 (Deltrol Corp).
Key specifications for DELTROL PC4-2-3.5: Flow Control Device: PISTON, SPRING LOADED; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 11 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.