The Disk,valve, cataloged under National Stock Number 4810-01-519-4803, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is William E Williams Valve Corp. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-519-4803 |
| Primary Part Number | WV121000-02-1.5IN PC 2 |
| Item Name | Disk,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | William E Williams Valve Corp |
| Status | ACTIVE |
| Style Designator | PLAIN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| WV121000-02-1.5IN PC 2 PRIMARY | William E Williams Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| WV121000-02 | D/9 Drawing number reference only William E Williams Valve Corp |
NSN 4810-01-519-4803 is a Disk,valve, manufactured by William E Williams Valve Corp, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-519-4803 has 1 manufacturer part number on file: WV121000-02-1.5IN PC 2 (William E Williams Valve Corp).
2 possible matches (shared part number, not a government interchangeability claim): 4810-01-519-5223, 4810-01-716-2113. Verify interchangeability with system specifications before substitution.
Key specifications for WV121000-02-1.5IN PC 2: Style Designator: PLAIN; Special Features: MATERIAL: 316 SS, ASTM A743, WITH HARD FACE; End Item Identification: 4810-01-519-2741, 1.5 IN GATE VALE WITH ACTUATOR IN; Material: STEEL CORROSION RESISTING. 2 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.