The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4810-01-251-4645, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Bellofram Corporation. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-251-4645 |
| Primary Part Number | 3-162-100-CVF-1 |
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Bellofram Corporation |
| Status | ACTIVE |
| Shank Diameter | 1.440 INCHES NOMINAL IN |
| FSC Application Data | 11292-1 VALVE,AIR;TEMP AND PRESSURE CONTROLS,AIRCRAFT |
| Pressure Rating | 0.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 20.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 400.0 FAHRENHEIT MAXIMUM DEGF |
| Outside Diameter | 1.620 INCHES NOMINAL IN |
| Style Designator | SPECIAL SHAPED |
| Material Thickness | 0.014 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.180 INCHES NOMINAL IN |
| Media for Which Designed | AIR |
| Material | PLASTIC |
| 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 |
|---|---|
| 82606-1 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| 3-162-100-CVF-1 PRIMARY | Bellofram Corporation (USA) |
| Reference | Meaning |
|---|---|
| 82606-1 | 5/9 Secondary reference United Technologies Corp Hamilton Sundstrand Corp |
NSN 4810-01-251-4645 is a Diaphragm,actuator Valve,special, manufactured by Bellofram Corporation, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-251-4645 has 2 manufacturer part numbers on file: 82606-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 3-162-100-CVF-1 (Bellofram Corporation).
Key specifications for 3-162-100-CVF-1: Shank Diameter: 1.440 INCHES NOMINAL IN; Overall Height: 1.000 INCHES NOMINAL IN; FSC Application Data: 11292-1 VALVE,AIR;TEMP AND PRESSURE CONTROLS,AIRCRAFT; Pressure Rating: 0.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 20.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. 10 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.