The Disk,valve, cataloged under National Stock Number 4820-00-480-1402, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pti Technologies Inc.. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-480-1402 |
| Primary Part Number | 4-469-9 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pti Technologies Inc. |
| Status | ACTIVE |
| Outside Diameter | 0.670 INCHES NOMINAL IN |
| 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 |
|---|---|
| 4-469-9 PRIMARY | Pti Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4-469-9 | 5/9 Secondary reference Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator |
| 4-469-9 | 5/2 Secondary reference U.S. Government activity |
| 4-469-9 | 3/9 Design control — primary reference Vacco Industries |
NSN 4820-00-480-1402 is a Disk,valve, manufactured by Pti Technologies Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-480-1402 has 1 manufacturer part number on file: 4-469-9 (Pti Technologies Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-398-9290. Verify interchangeability with system specifications before substitution.
Key specifications for 4-469-9: Overall Height: 0.795 INCHES NOMINAL IN; Outside Diameter: 0.670 INCHES NOMINAL IN; Special Features: PASSIVATED,O-A DIM.,0.650IN. LENGTH OP STEM INCLUDING0.070 IN. STEP 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.