The Valve,flow Control, cataloged under National Stock Number 4820-01-220-5757, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Xomox Corp Sub of Emerson Electric Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Xomox Corp Sub of Emerson Electric Co (CAGE 62753); Control Flow, Inc. Dba Control Flow Inc (CAGE 3X894) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-220-5757 |
| Primary Part Number | 2-037 |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Xomox Corp Sub of Emerson Electric Co |
| Status | ACTIVE |
| 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 |
|---|---|
| 2-037 PRIMARY | Xomox Corp Sub of Emerson Electric Co (USA) |
| E-104023 PART 22 | Control Flow, Inc. Dba Control Flow Inc (USA) |
| Reference | Meaning |
|---|---|
| E-104023 PART 22 | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
| 2-037 | C/1 Advisory reference — outside the item-of-supply concept Xomox Corporation Dba Tufline |
| E-104023 | D/9 Drawing number reference only Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
NSN 4820-01-220-5757 is a Valve,flow Control, manufactured by Xomox Corp Sub of Emerson Electric Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-220-5757 has 2 manufacturer part numbers on file: 2-037 (Xomox Corp Sub of Emerson Electric Co), E-104023 PART 22 (Control Flow, Inc. Dba Control Flow Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-220-6594. Verify interchangeability with system specifications before substitution.
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.