The Disk,valve, cataloged under National Stock Number 2915-01-184-7678, is classified within Federal Supply Class 2915 (Engine Fuel System Components, Aircraft and Missile Prime Movers) of the Engine Accessories group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2915-01-184-7678 |
| Item Name | Disk,valve |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Status | ACTIVE |
| Shank Diameter | 0.496 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN |
| Flange Seat to Disk End Height | 1.950 INCHES NOMINAL IN |
| Style Designator | POPPET |
| Material Document and Classification | AMS 5659, COMP 15-5PH NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Tip Diameter | 0.490 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN |
| Seat Angle | 44.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM |
| Under Flange Height | 0.630 INCHES NOMINAL IN |
| Media for Which Designed | HYDRAULIC FLUID |
| Material | STEEL COMP XM-12 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 7-0856-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2915-01-184-7678 is a Disk,valve, classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
Key specifications for 2915-01-184-7678: Shank Diameter: 0.496 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN; Flange Seat to Disk End Height: 1.950 INCHES NOMINAL IN; Overall Height: 2.580 INCHES NOMINAL IN; Style Designator: POPPET. 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.
NSN 2915-01-184-7678 has DEMIL Code B. 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.