The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-126-9838, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dutch Valley Supply Co.. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-126-9838 |
| Primary Part Number | 23635-1 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dutch Valley Supply Co. |
| Status | ACTIVE |
| Material Thickness | 0.014 INCHES NOMINAL IN |
| Material | ALUMINUM |
| 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 |
|---|---|
| 23635-1 | Dutch Valley Supply Co. (USA) |
| Reference | Meaning |
|---|---|
| 23635-1 | 3/9 Design control — primary reference Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies |
| 0023635-001 | 5/9 Secondary reference Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies |
| A23635-1 | 5/9 Secondary reference Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies |
| 23635-1 | 5/9 Secondary reference U.S. Government activity |
| 0023635001 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-126-9838 is a Diaphragm,valve,flat, manufactured by Dutch Valley Supply Co., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-126-9838 has 1 manufacturer part number on file: 23635-1 (Dutch Valley Supply Co.).
Key specifications for 23635-1: Overall Length: 3.330 INCHES NOMINAL IN; Material Thickness: 0.014 INCHES NOMINAL IN; Material: ALUMINUM. 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.