The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-347-8688, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-347-8688 |
| Primary Part Number | 793535-2 |
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Pressure Rating | 120.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Bead Diameter | 1.750 INCHES NOMINAL IN |
| Temp Rating | 310.0 FAHRENHEIT NOMINAL DEGF |
| Style Designator | SPECIAL SHAPED |
| Material Thickness | 0.024 INCHES NOMINAL IN |
| Bolt Hole Quantity | 16 |
| Bolt Circle Diameter | 3.740 INCHES NOMINAL IN |
| Center Hole Diameter | 1.330 INCHES NOMINAL IN |
| Outside Corner Radius | 0.180 INCHES NOMINAL IN |
| Material | RUBBER SILICONE |
| Hole Diameter | 0.140 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 793535-2 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 793535 | D/9 Drawing number reference only Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 4820-01-347-8688 is a Diaphragm,actuator Valve,special, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-347-8688 has 1 manufacturer part number on file: 793535-2 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 793535-2: Overall Height: 0.030 INCHES NOMINAL IN; Pressure Rating: 120.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Bead Diameter: 1.750 INCHES NOMINAL IN; Temp Rating: 310.0 FAHRENHEIT NOMINAL DEGF. 11 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.