The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-441-0442, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Engineered Controls International, Llc. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-441-0442 |
| Primary Part Number | MFG-2003T |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Engineered Controls International, Llc |
| Status | ACTIVE |
| Flow Control Device | CONE |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | NOT IDENTICAL |
| Surface Treatment Document and Classification | QQ-Z-325, TYPE 2 MFR REF SINGLE TREATMENT RESPONSE OUTSIDE |
| Body Style | STRAIGHT THRU |
| 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 INTERNAL PIPE |
| Surface Treatment | ZINC OUTSIDE |
| Material | STEEL BODY |
| Second End Connection Type | THREADED EXTERNAL PIPE |
| Thread Size and Series/type Designator | 3/8-18 NPT FIRST END |
| Thread Size and Series/type Designator | 3/8-18 NPT SECOND END |
| 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 |
|---|---|
| MFG-2003T PRIMARY | Engineered Controls International, Llc (USA) |
| S/O 2999 ITEM 7 | Lor Inc Hydradyne Hydraulics Div (USA) |
| Reference | Meaning |
|---|---|
| MFG-2003T | C/1 Advisory reference — outside the item-of-supply concept Rego Co a Marmon Group Co |
NSN 4820-01-441-0442 is a Valve,calibrated Flow, manufactured by Engineered Controls International, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-441-0442 has 2 manufacturer part numbers on file: MFG-2003T (Engineered Controls International, Llc), S/O 2999 ITEM 7 (Lor Inc Hydradyne Hydraulics Div).
Key specifications for MFG-2003T: Flow Control Device: CONE; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: NOT IDENTICAL; Surface Treatment Document and Classification: QQ-Z-325, TYPE 2 MFR REF SINGLE TREATMENT RESPONSE OUTSIDE. 15 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.