The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4810-01-061-0674, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-061-0674 |
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Status | ACTIVE |
| Bead Diameter | 3.031 INCHES NOMINAL IN |
| Outside Diameter | 4.375 INCHES NOMINAL IN |
| Material Thickness | 0.028 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 4.100 INCHES NOMINAL IN |
| Center Hole Diameter | 2.734 INCHES NOMINAL IN |
| Material | RUBBER SILICONE |
| Hole Diameter | 0.250 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 |
| Reference | Meaning |
|---|---|
| IR64273 | 5/9 Secondary reference U.S. Government activity |
| IR64273 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| IR64273 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 4C-300-25-DPJ-1 | C/1 Advisory reference — outside the item-of-supply concept Bellofram Corporation |
NSN 4810-01-061-0674 is a Diaphragm,actuator Valve,special, classified under FSC 4810, Valves, Powered. Status: active.
Key specifications for 4810-01-061-0674: Bead Diameter: 3.031 INCHES NOMINAL IN; Outside Diameter: 4.375 INCHES NOMINAL IN; Material Thickness: 0.028 INCHES NOMINAL IN; Bolt Hole Quantity: 4. 8 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.