The Guide,valve Stem, cataloged under National Stock Number 2815-00-566-2736, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2815-00-566-2736 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Status | ACTIVE |
| Countersink Angle in Deg | 45.0 |
| Countersink Diameter | 0.860 INCHES NOMINAL IN |
| Aa End Chamfer Length | 0.485 INCHES NOMINAL IN |
| Major Diameter Length | 3.641 INCHES NOMINAL IN |
| Taper Minor Diameter | 1.001 INCHES NOMINAL IN |
| Style Designator | STEPPED-STEPPED TAPERED SHANK END |
| Bore Counterbore | NOT INCLUDED |
| Outside Diameter | 1.382 INCHES NOMINAL IN |
| Countersink Length | 0.115 INCHES NOMINAL IN |
| Aa End Radius | 0.035 INCHES NOMINAL IN |
| Taper Length | 0.725 INCHES NOMINAL IN |
| Aa End Diameter | 1.000 INCHES NOMINAL IN |
| Bore Diameter | 0.6250 INCHES NOMINAL IN |
| Material | STEEL |
| Bore Countersink | INCLUDED |
| Countersink Location | BB END |
| 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 |
|---|---|
| 1B125 | 5/9 Secondary reference U.S. Government activity |
| 1B125 | 3/9 Design control — primary reference Chicago Pneumatic Tool Co |
NSN 2815-00-566-2736 is a Guide,valve Stem, classified under FSC 2815, Diesel Engines and Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2995-01-366-4893. Verify interchangeability with system specifications before substitution.
Key specifications for 2815-00-566-2736: Countersink Angle in Deg: 45.0; Countersink Diameter: 0.860 INCHES NOMINAL IN; Aa End Chamfer Length: 0.485 INCHES NOMINAL IN; Major Diameter Length: 3.641 INCHES NOMINAL IN. 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.