The Guide,valve Stem, cataloged under National Stock Number 2815-00-511-2612, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Cummins Inc.. Government technical data includes 13 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. 4 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 | 2815-00-511-2612 |
| Primary Part Number | 105985 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Aa End Chamfer Angle in Deg | 30.0 |
| Aa End Chamfer Length | 0.037 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Bore Counterbore | INCLUDED |
| Outside Diameter | 0.657 INCHES NOMINAL IN |
| Counterbore Depth | 0.440 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| Counterbore Location | AA END |
| Counterbore Diameter | 0.414 INCHES MINIMUM AND 0.434 INCHES MAXIMUM IN |
| Bb End Chamfer Length | 0.036 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN |
| Bb End Chamfer Angle in Deg | 75.0 |
| Bore Diameter | 0.4050 INCHES NOMINAL IN |
| Material | IRON CAST |
| Bore Countersink | NOT INCLUDED |
| 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 |
|---|---|
| 105985 PRIMARY | Cummins Inc. (USA) |
NSN 2815-00-511-2612 is a Guide,valve Stem, manufactured by Cummins Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-511-2612 has 1 manufacturer part number on file: 105985 (Cummins Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 5826-01-037-3848, 7025-01-486-0680, 5310-01-550-6536. Verify interchangeability with system specifications before substitution.
Key specifications for 105985: Aa End Chamfer Angle in Deg: 30.0; Aa End Chamfer Length: 0.037 INCHES NOMINAL IN; Style Designator: PLAIN; Overall Length: 3.302 INCHES MINIMUM AND 3.322 INCHES MAXIMUM IN. 13 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.