The Seat,valve, cataloged under National Stock Number 4820-01-199-7915, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Wanner Engineering Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-199-7915 |
| Primary Part Number | D10-020-1011 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Wanner Engineering Inc |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| D10-020-1011 PRIMARY | Wanner Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| D1020 | 5/9 Secondary reference Wanner Engineering Inc |
NSN 4820-01-199-7915 is a Seat,valve, manufactured by Wanner Engineering Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-199-7915 has 1 manufacturer part number on file: D10-020-1011 (Wanner Engineering Inc).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-596-6185. Verify interchangeability with system specifications before substitution.
Key specifications for D10-020-1011: Material: STEEL CORROSION RESISTING OVERALL. 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.