The Hinge,swing Check Valve, cataloged under National Stock Number 4820-01-435-8792, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-435-8792 |
| Primary Part Number | S90423 |
| Item Name | Hinge,swing Check Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Valve Model Number for Which Designed | DS-B-90422 |
| Valve Size for Which Designed | 5.000 INCHES IN |
| Valve Design Control Activity | 15187 |
| Pressure Class | ERR-060 |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| S90423 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| DS-B-90422-5 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| DS-B-90422 | D/9 Drawing number reference only Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| SA-F-90348 | D/9 Drawing number reference only Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
NSN 4820-01-435-8792 is a Hinge,swing Check Valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-435-8792 has 2 manufacturer part numbers on file: S90423 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), DS-B-90422-5 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for S90423: Valve Model Number for Which Designed: DS-B-90422; Valve Size for Which Designed: 5.000 INCHES IN; Special Features: INCLUDES PIN, P/N: 301698; Valve Design Control Activity: 15187. 5 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.