The Screw,adjusting,valve Tappet, cataloged under National Stock Number 2815-00-394-2479, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-394-2479 |
| Primary Part Number | 417GC25A |
| Item Name | Screw,adjusting,valve Tappet |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales |
| Status | ACTIVE |
| End Length | 0.325 INCHES NOMINAL IN |
| Thread Series | UNF |
| Style Designator | SPHERICAL HEAD, STRAIGHT THREAD, SLOT DRIVE |
| End Largest Diameter | 0.555 INCHES NOMINAL IN |
| Thread Length | 1.188 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | CASEHARDENED |
| Slot Depth | 0.095 INCHES NOMINAL IN |
| Thread Size | 7/16-20 |
| End Spherical Radius | 0.250 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Material | STEEL |
| Slot Width | 0.062 INCHES NOMINAL IN |
| Smallest Diameter | 0.312 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 |
|---|---|
| 417GC25A | Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales (AUS) |
| Reference | Meaning |
|---|---|
| 417GC25A | 3/2 Design control — primary reference U.S. Government activity |
| 417GC13BP1 | 5/9 Secondary reference U.S. Government activity |
NSN 2815-00-394-2479 is a Screw,adjusting,valve Tappet, manufactured by Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-394-2479 has 1 manufacturer part number on file: 417GC25A (Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales).
Key specifications for 417GC25A: End Length: 0.325 INCHES NOMINAL IN; Thread Series: UNF; Style Designator: SPHERICAL HEAD, STRAIGHT THREAD, SLOT DRIVE; Overall Length: 1.692 INCHES NOMINAL IN. 14 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.