The Disk,valve, cataloged under National Stock Number 4820-01-400-2084, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-400-2084 |
| Primary Part Number | SV795843-1 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Outside Diameter | 0.686 INCHES NOMINAL IN |
| Inside Diameter | 0.517 INCHES NOMINAL IN |
| Media for Which Designed | OXYGEN, GASEOUS |
| 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 |
|---|---|
| SV795843-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| SV795843 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| SV795843-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-400-2084 is a Disk,valve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-400-2084 has 2 manufacturer part numbers on file: SV795843-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace), SV795843 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for SV795843-1: Overall Height: 0.710 INCHES NOMINAL IN; Outside Diameter: 0.686 INCHES NOMINAL IN; Inside Diameter: 0.517 INCHES NOMINAL IN; Special Features: COBALT ALLOY MATERIAL PER AMS5844. 3 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.