The Valve,ball, cataloged under National Stock Number 4820-01-524-5072, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flowserve Us Inc. Div Flowserve Cookeville Valve Operation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-524-5072 |
| Primary Part Number | 444466RTSW |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Flowserve Us Inc. Div Flowserve Cookeville Valve Operation |
| Status | ACTIVE |
| Material | PLASTIC POLYTRIFLUOROETHYLENE SEAT |
| Material | STEEL CORROSION RESISTING BODY |
| Material | STEEL CORROSION RESISTING STEM |
| 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 |
|---|---|
| 444466RTSW PRIMARY | Flowserve Us Inc. Div Flowserve Cookeville Valve Operation (USA) |
| Reference | Meaning |
|---|---|
| 1/2IN 4446RTSW | 5/9 Secondary reference U.S. Government activity |
| 1/2IN 4446RTSW | 5/9 Secondary reference Flowserve Us Inc. Div Flowserve Cookeville Valve Operation |
NSN 4820-01-524-5072 is a Valve,ball, manufactured by Flowserve Us Inc. Div Flowserve Cookeville Valve Operation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-524-5072 has 1 manufacturer part number on file: 444466RTSW (Flowserve Us Inc. Div Flowserve Cookeville Valve Operation).
Key specifications for 444466RTSW: Special Features: ENDS: SOCKET WELD; End Item Identification: VALVE, BALL; Material: PLASTIC POLYTRIFLUOROETHYLENE SEAT; Material: STEEL CORROSION RESISTING BODY. 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.