The Valve,poppet,engine, cataloged under National Stock Number 2815-01-568-5930, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Nd Defense Llc. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-568-5930 |
| Primary Part Number | 1839968C1 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Nd Defense Llc |
| Status | ACTIVE |
| Stem Diameter | 0.3110 INCHES NOMINAL IN |
| Head Height | 0.0970 INCHES MINIMUM AND 0.1030 INCHES MAXIMUM IN |
| Stem Length | 4.9790 INCHES NOMINAL IN |
| Seat Angle in Deg | 0.6000 |
| Chamfer Length | 0.3500 INCHES NOMINAL IN |
| Neck Radius | 0.3350 INCHES NOMINAL IN |
| Groove Diameter | 0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM IN |
| Distance From Groove to Stem End | 0.4680 INCHES NOMINAL IN |
| Outside Diameter | 1.5590 INCHES MINIMUM AND 1.5690 INCHES MAXIMUM IN |
| Stem Style | GROOVED |
| Head Style | FLAT |
| Chamfer Angle in Deg | 80.0 |
| 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 |
|---|---|
| 1839968C1 PRIMARY | Nd Defense Llc (USA) |
NSN 2815-01-568-5930 is a Valve,poppet,engine, manufactured by Nd Defense Llc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-568-5930 has 1 manufacturer part number on file: 1839968C1 (Nd Defense Llc).
Key specifications for 1839968C1: Stem Diameter: 0.3110 INCHES NOMINAL IN; Head Height: 0.0970 INCHES MINIMUM AND 0.1030 INCHES MAXIMUM IN; Stem Length: 4.9790 INCHES NOMINAL IN; Seat Angle in Deg: 0.6000. 12 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.