The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-00-509-4607, 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 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-509-4607 |
| Primary Part Number | 98976 |
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Pressure Rating | 100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Temp Rating | 300.0 FAHRENHEIT NOMINAL DEGF |
| Outside Diameter | 1.120 INCHES NOMINAL IN |
| Supplementary Features | ADDITIONAL MATERIAL: CLOTH |
| Taper Minor Diameter | 0.560 INCHES NOMINAL IN |
| Style Designator | SPECIAL SHAPED |
| Taper Major Diameter | 0.760 INCHES NOMINAL IN |
| Material Thickness | 0.019 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 1.190 INCHES NOMINAL IN |
| Center Hole Diameter | 0.156 INCHES NOMINAL IN |
| Media for Which Designed | AIR |
| Material | RUBBER SILICONE |
| Hole Diameter | 0.172 INCHES NOMINAL 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 |
|---|---|
| 98976 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 4820-00-509-4607 is a Diaphragm,actuator Valve,special, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-509-4607 has 1 manufacturer part number on file: 98976 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 98976: Overall Height: 0.340 INCHES NOMINAL IN; Pressure Rating: 100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Temp Rating: 300.0 FAHRENHEIT NOMINAL DEGF; Outside Diameter: 1.120 INCHES NOMINAL IN. 14 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.