The Diaphragm,actuator Valve,special, cataloged under National Stock Number 2915-01-040-1399, 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 Div Aerospace-South Bend (bendix Dr). Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2915-01-040-1399 |
| Primary Part Number | 2537747 |
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Manufacturer | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| Status | ACTIVE |
| Bead Diameter | 0.781 INCHES NOMINAL IN |
| Outside Diameter | 1.360 INCHES NOMINAL IN |
| Style Designator | SPECIAL SHAPED |
| Material Thickness | 0.020 INCHES NOMINAL IN |
| Bolt Hole Quantity | 2 |
| Bolt Circle Diameter | 1.071 INCHES NOMINAL IN |
| Center Hole Diameter | 0.170 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| Hole Diameter | 0.281 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 |
|---|---|
| 2537747 PRIMARY | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA) |
| Reference | Meaning |
|---|---|
| 2537747 | 5/9 Secondary reference Unison Industries Llc |
NSN 2915-01-040-1399 is a Diaphragm,actuator Valve,special, manufactured by Honeywell International Inc Div Aerospace-South Bend (bendix Dr), classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-01-040-1399 has 1 manufacturer part number on file: 2537747 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)).
Key specifications for 2537747: Bead Diameter: 0.781 INCHES NOMINAL IN; Outside Diameter: 1.360 INCHES NOMINAL IN; Style Designator: SPECIAL SHAPED; Material Thickness: 0.020 INCHES NOMINAL IN. 9 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.