The Diaphragm,actuator Valve,special, cataloged under National Stock Number 2915-01-129-8508, is classified within Federal Supply Class 2915 (Engine Fuel System Components, Aircraft and Missile Prime Movers) of the Engine Accessories group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2915-01-129-8508 |
| Primary Part Number | 3169821-1 |
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| FSC Application Data | ENVIRONMENTAL CONTROL SYSTEM |
| Pressure Rating | 50.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Temp Rating | 65.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF |
| Taper Minor Diameter | 1.940 INCHES MINIMUM AND 1.960 INCHES MAXIMUM IN |
| Style Designator | SPECIAL SHAPED |
| Taper Major Diameter | 2.765 INCHES MINIMUM AND 2.790 INCHES MAXIMUM IN |
| Material Thickness | 0.012 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 8 |
| Center Hole Diameter | 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| Media for Which Designed | AIR |
| Hole Diameter | 0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 3169821-1 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 10106552 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 2915-01-129-8508 is a Diaphragm,actuator Valve,special, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-01-129-8508 has 1 manufacturer part number on file: 3169821-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 3169821-1: FSC Application Data: ENVIRONMENTAL CONTROL SYSTEM; Pressure Rating: 50.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Temp Rating: 65.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF; Taper Minor Diameter: 1.940 INCHES MINIMUM AND 1.960 INCHES MAXIMUM IN. 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.
NSN 2915-01-129-8508 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.