The Connecting Rod,piston, cataloged under National Stock Number 2805-00-078-2683, 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 Brp Us Inc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2805-00-078-2683 |
| Primary Part Number | 0378275 |
| Item Name | Connecting Rod,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| Shaft Connecting End Hole Inside Diameter | 1.5000 INCHES MINIMUM AND 1.5005 INCHES MAXIMUM IN |
| FSC Application Data | ENGINE,GASOLINE,NONAIRCRAFT |
| End Thickness | 1.005 INCHES MINIMUM AND 1.011 INCHES MAXIMUM IN |
| Shaft Connecting End Lubrication Drill Feature | INCLUDED |
| Shaft Connecting End Bearing | INCLUDED |
| Bearing Replaceability | REPLACEABLE |
| Shaft Connecting End Thickness | 0.812 INCHES MINIMUM AND 0.814 INCHES MAXIMUM IN |
| Center to Center Effective Length | 4.247 INCHES MINIMUM AND 4.253 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | I-SECTION TYPE |
| Piston Connecting End Bearing | INCLUDED |
| Shaft Connecting End Width | 2.371 INCHES MINIMUM AND 2.376 INCHES MAXIMUM IN |
| End Hole Inside Diameter | 0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN |
| Shaft Connecting End Style | AUTOMOTIVE STANDARD SPLIT BEARING 2 BOLT |
| Material | STEEL |
| Piston End Connection Style | SMALL ENGINE AND AUTOMOTIVE STANDARD |
| Shaft Connecting End Bearing Replaceability | REPLACEABLE |
| Edge Radius | 1.124 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN |
| Metallic Hardness Rating | 60.0 MINIMUM ROCKWELL C AND 62.0 MAXIMUM ROCKWELL C |
| Piston Connecting End Lubrication Drill Feature | INCLUDED |
| Shaft Connecting End Edge Radius | 1.950 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 |
|---|---|
| 378275 | Brp Us Inc (USA) |
| 0378275 PRIMARY | Brp Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 378275 | 5/9 Secondary reference U.S. Government activity |
| 0378275 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
| 378275 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
| 378275 | 5/9 Secondary reference Evinrude Motors Product Group of Outboard Marine Corp |
| 0378275 | 5/9 Secondary reference U.S. Government activity |
| 0378275 | 5/9 Secondary reference Evinrude Motors Product Group of Outboard Marine Corp |
NSN 2805-00-078-2683 is a Connecting Rod,piston, manufactured by Brp Us Inc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-078-2683 has 2 manufacturer part numbers on file: 378275 (Brp Us Inc), 0378275 (Brp Us Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-00-725-4029. Verify interchangeability with system specifications before substitution.
Key specifications for 0378275: Shaft Connecting End Hole Inside Diameter: 1.5000 INCHES MINIMUM AND 1.5005 INCHES MAXIMUM IN; FSC Application Data: ENGINE,GASOLINE,NONAIRCRAFT; End Thickness: 1.005 INCHES MINIMUM AND 1.011 INCHES MAXIMUM IN; Shaft Connecting End Lubrication Drill Feature: INCLUDED. 20 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.