The Ring,lock,engine, cataloged under National Stock Number 2815-00-366-2912, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-366-2912 |
| Item Name | Ring,lock,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Status | ACTIVE |
| General Characteristics Item Description | CAST IRON,SAE 111,12.859 IN. DIA,3.563 IN. THK,7.516 IN. BORE,SIX HOLES,1.781 IN. DIA ON 10.500 IN. DIA BOLT CIRCLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 8034691 | 3/9 Design control — primary reference General Motors Corp Electro-Motive Div |
| 8034691 | 5/9 Secondary reference General Motors Corp |
NSN 2815-00-366-2912 is a Ring,lock,engine, classified under FSC 2815, Diesel Engines and Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1680-01-152-1343. Verify interchangeability with system specifications before substitution.
Key specifications for 2815-00-366-2912: General Characteristics Item Description: CAST IRON,SAE 111,12.859 IN. DIA,3.563 IN. THK,7.516 IN. BORE,SIX HOLES,1.781 IN. DIA ON 10.500 IN. DIA BOLT CIRCLE IN. 1 specification is 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.