The Rocker Arm,engine Poppet Valve, cataloged under National Stock Number 2815-01-046-2010, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Dresser, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-046-2010 |
| Primary Part Number | A230166 |
| Item Name | Rocker Arm,engine Poppet Valve |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Dresser, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| A230166 PRIMARY | Dresser, Llc (USA) |
| Reference | Meaning |
|---|---|
| 230166 | 5/9 Secondary reference Dresser, Llc |
NSN 2815-01-046-2010 is a Rocker Arm,engine Poppet Valve, manufactured by Dresser, Llc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-046-2010 has 1 manufacturer part number on file: A230166 (Dresser, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 6810-01-505-2172, 5998-01-508-3939. Verify interchangeability with system specifications before substitution.
Key specifications for A230166: Special Features: STEEL ARM WITH BRONZE BEARING; 1.470 IN. BORE DIA; 3.000 IN. FROM CENTER OF BORE TO CENTER OF VALVE CONTACT SURFACE; 2.750 IN. FROM CENTER OF BORE TO CENTER OF TAPPET ADJUSTING SCREW HOLE; 0.438-14 UNC THREAD FOR ADJUSTING SCREW; 0.870 IN. W; 2.725 IN. H; 6.438 IN. OVERALL LG IN. 0 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.