The Disk,valve, cataloged under National Stock Number 4820-01-094-0715, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-094-0715 |
| Primary Part Number | SS845-1889538PC3 3IN |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Shank Diameter | 1.545 INCHES NOMINAL IN |
| Flange Diameter | 3.825 INCHES NOMINAL IN |
| Style Designator | POPPET |
| 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 |
|---|---|
| SS845-1889538PC3 3IN | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2620-911PC3 3IN | 3/2 Design control — primary reference U.S. Government activity |
| SS845-1889538 | D/9 Drawing number reference only Naval Sea Systems Command |
| 113 | 3/2 Design control — primary reference U.S. Government activity |
| 2620-911PC3 3IN | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-094-0715 is a Disk,valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-094-0715 has 1 manufacturer part number on file: SS845-1889538PC3 3IN (Naval Sea Systems Command).
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-094-0953, 4820-01-094-0996, 4820-01-094-5373. Verify interchangeability with system specifications before substitution.
Key specifications for SS845-1889538PC3 3IN: Shank Diameter: 1.545 INCHES NOMINAL IN; Flange Diameter: 3.825 INCHES NOMINAL IN; Overall Height: 3.000 INCHES NOMINAL IN; Style Designator: POPPET. 4 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.