The Connecting Rod,piston, cataloged under National Stock Number 2805-00-421-9560, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Kohler Co Engine Plant Div. Government technical data includes 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2805-00-421-9560 |
| Primary Part Number | 4106710 |
| Item Name | Connecting Rod,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Kohler Co Engine Plant Div |
| Status | ACTIVE |
| Shaft Connecting End Hole Inside Diameter | 0.938 INCHES NOMINAL IN |
| End Thickness | 1.000 INCHES NOMINAL IN |
| Body Width at Piston Connecting End | 1.000 INCHES NOMINAL IN |
| Body Width at Shaft Connecting End | 1.125 INCHES NOMINAL IN |
| Shaft Connecting End Lubrication Drill Feature | INCLUDED |
| Shaft Connecting End Bearing | NOT INCLUDED |
| Bearing Replaceability | REPLACEABLE |
| Shaft Connecting End Thickness | 1.125 INCHES NOMINAL IN |
| Center to Center Effective Length | 4.062 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | I-SECTION TYPE |
| Piston Connecting End Bearing | NOT INCLUDED |
| Piston Connecting End Lubrication Method | OIL VAPOR |
| Shaft Connecting End Width | 2.156 INCHES NOMINAL IN |
| Body Thickness at Piston Connecting End | 0.688 INCHES NOMINAL IN |
| End Hole Inside Diameter | 0.625 INCHES NOMINAL IN |
| Body Thickness at Shaft Connecting End | 0.688 INCHES NOMINAL IN |
| Shaft Connecting End Style | AUTOMOTIVE STANDARD SPLIT BEARING 2 BOLT |
| Material | ALUMINUM |
| Fabrication Method | FORGED |
| Piston End Connection Style | SMALL ENGINE AND AUTOMOTIVE STANDARD |
| Shaft Connecting End Bearing Replaceability | REPLACEABLE |
| Edge Radius | 0.531 INCHES NOMINAL IN |
| Piston Connecting End Lubrication Drill Feature | NOT INCLUDED |
| Shaft Connecting End Lubrication Method | FULL FORCED-FEED |
| Shaft Connecting End Edge Radius | 0.804 INCHES NOMINAL IN |
| 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 |
|---|---|
| 4106710 PRIMARY | Kohler Co Engine Plant Div (USA) |
| Reference | Meaning |
|---|---|
| A231801 | 5/9 Secondary reference Essex Industries, Inc. Dba Essex Industries |
| 548459R91 | 5/9 Secondary reference U.S. Government activity |
NSN 2805-00-421-9560 is a Connecting Rod,piston, manufactured by Kohler Co Engine Plant Div, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-421-9560 has 1 manufacturer part number on file: 4106710 (Kohler Co Engine Plant Div).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-033-8122. Verify interchangeability with system specifications before substitution.
Key specifications for 4106710: Shaft Connecting End Hole Inside Diameter: 0.938 INCHES NOMINAL IN; End Thickness: 1.000 INCHES NOMINAL IN; Body Width at Piston Connecting End: 1.000 INCHES NOMINAL IN; Body Width at Shaft Connecting End: 1.125 INCHES NOMINAL IN. 25 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.