The Valve,flow Control, cataloged under National Stock Number 4820-01-125-4543, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Waterous Company. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-125-4543 |
| Primary Part Number | 80489-2M + K680 |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Waterous Company |
| Status | ACTIVE |
| End Connection Quantity | 2 |
| 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 |
|---|---|
| 80489-2M + K680 PRIMARY | Waterous Company (USA) |
| Reference | Meaning |
|---|---|
| MP-158-A | 5/9 Secondary reference Tld Wollard Llc |
| 80489-117 | 5/9 Secondary reference Waterous Company |
| 80489-M | 5/9 Secondary reference Waterous Company |
NSN 4820-01-125-4543 is a Valve,flow Control, manufactured by Waterous Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-125-4543 has 1 manufacturer part number on file: 80489-2M + K680 (Waterous Company).
Key specifications for 80489-2M + K680: End Connection Quantity: 2; Special Features: DISCHARGE R.H.; CONSISTING OF PIPE AND COUPLING OPERATED BY SCREW AND QUANDRANT USED ON CENTRIFUGAL PUMP, RIGHTHANDED WHEEL OPERATED; FLANGE-MOUNTED. 1 specification is 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.