The Valve,poppet,engine, cataloged under National Stock Number 2815-00-338-6806, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 16 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 | 2815-00-338-6806 |
| Primary Part Number | LS12-1K |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Cooper Machinery Services Llc |
| Status | ACTIVE |
| Stem Diameter | 0.8750 INCHES NOMINAL IN |
| Head Height | 0.5156 INCHES NOMINAL IN |
| Stem Length | 21.6250 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0625 INCHES NOMINAL IN |
| Neck Radius | 1.5000 INCHES NOMINAL IN |
| Minor Outside Diameter | 0.6270 INCHES NOMINAL IN |
| Outside Diameter | 4.5640 INCHES NOMINAL IN |
| Stem Style | TAPERED |
| Taper Angle in Deg | 15.0 |
| Head Style | FLAT |
| Distance From Minor Diameter to Stem End | 0.6450 INCHES NOMINAL IN |
| Carbon Relief Groove | NOT INCLUDED |
| Minor Diameter Length | 0.1000 INCHES NOMINAL IN |
| Chamfer Angle in Deg | 30.0 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| LS12-1K PRIMARY | Cooper Machinery Services Llc (USA) |
NSN 2815-00-338-6806 is a Valve,poppet,engine, manufactured by Cooper Machinery Services Llc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-338-6806 has 1 manufacturer part number on file: LS12-1K (Cooper Machinery Services Llc).
Key specifications for LS12-1K: Stem Diameter: 0.8750 INCHES NOMINAL IN; Head Height: 0.5156 INCHES NOMINAL IN; Stem Length: 21.6250 INCHES NOMINAL IN; Seat Angle in Deg: 45.0. 16 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.