The Connecting Rod,piston, cataloged under National Stock Number 2805-00-309-8969, 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 Wisconsin Motors, Llc. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-309-8969 |
| Primary Part Number | DA71BS1 |
| Item Name | Connecting Rod,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Wisconsin Motors, Llc |
| Status | ACTIVE |
| Shaft Connecting End Hole Inside Diameter | 2.250 INCHES NOMINAL IN |
| End Thickness | 1.344 INCHES NOMINAL IN |
| Body Width at Piston Connecting End | 0.812 INCHES NOMINAL IN |
| Body Width at Shaft Connecting End | 1.312 INCHES NOMINAL IN |
| Shaft Connecting End Lubrication Drill Feature | INCLUDED |
| Shaft Connecting End Bearing | NOT INCLUDED |
| Bearing Replaceability | REPLACEABLE |
| Shaft Connecting End Thickness | 1.594 INCHES NOMINAL IN |
| Center to Center Effective Length | 7.000 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | I-SECTION TYPE |
| Piston Connecting End Bearing | INCLUDED |
| Piston Connecting End Lubrication Method | FULL FORCED-FEED |
| Shaft Connecting End Width | 3.375 INCHES NOMINAL IN |
| Body Thickness at Piston Connecting End | 0.562 INCHES NOMINAL IN |
| End Hole Inside Diameter | 0.812 INCHES NOMINAL IN |
| Body Thickness at Shaft Connecting End | 0.562 INCHES NOMINAL IN |
| Shaft Connecting End Style | AUTOMOTIVE STANDARD SPLIT BEARING 2 BOLT |
| Material | STEEL |
| Fabrication Method | FORGED |
| Piston End Connection Style | SMALL ENGINE AND AUTOMOTIVE STANDARD |
| Edge Radius | 0.688 INCHES NOMINAL IN |
| Piston Connecting End Lubrication Drill Feature | INCLUDED |
| Shaft Connecting End Lubrication Method | FULL FORCED-FEED |
| Shaft Connecting End Edge Radius | 1.344 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 |
|---|---|
| DA71BS1 PRIMARY | Wisconsin Motors, Llc (USA) |
| Reference | Meaning |
|---|---|
| DA71AS1 | 5/9 Secondary reference Wisconsin Motors, Llc |
NSN 2805-00-309-8969 is a Connecting Rod,piston, manufactured by Wisconsin Motors, Llc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-309-8969 has 1 manufacturer part number on file: DA71BS1 (Wisconsin Motors, Llc).
Key specifications for DA71BS1: Shaft Connecting End Hole Inside Diameter: 2.250 INCHES NOMINAL IN; End Thickness: 1.344 INCHES NOMINAL IN; Body Width at Piston Connecting End: 0.812 INCHES NOMINAL IN; Body Width at Shaft Connecting End: 1.312 INCHES NOMINAL IN. 24 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.