The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-348-4571, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-348-4571 |
| Primary Part Number | 3169994-1 |
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Pressure Rating | 200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Radius | 0.050 INCHES NOMINAL IN |
| Temp Rating | 200.0 FAHRENHEIT NOMINAL DEGF |
| Style Designator | SPECIAL SHAPED |
| Material Thickness | 0.017 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 1.160 INCHES NOMINAL IN |
| Center to Center Distance Between Bolt Holes Along Width | 1.160 INCHES NOMINAL IN |
| Center Hole Diameter | 0.810 INCHES NOMINAL IN |
| Media for Which Designed | AIR |
| Outside Corner Radius | 0.250 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| Hole Diameter | 0.220 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 |
|---|---|
| 3169994-1 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 3169994 | D/9 Drawing number reference only Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
NSN 4820-01-348-4571 is a Diaphragm,actuator Valve,special, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-348-4571 has 1 manufacturer part number on file: 3169994-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 3169994-1: Overall Height: 0.310 INCHES NOMINAL IN; Pressure Rating: 200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Radius: 0.050 INCHES NOMINAL IN; Temp Rating: 200.0 FAHRENHEIT NOMINAL DEGF. 13 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.