The Connecting Rod,piston, cataloged under National Stock Number 2815-00-409-3900, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-409-3900 |
| Primary Part Number | 2S1601 |
| Item Name | Connecting Rod,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Shaft Connecting End Lubrication Drill Feature | NOT INCLUDED |
| Shaft Connecting End Bearing | NOT INCLUDED |
| Bearing Replaceability | REPLACEABLE |
| Center to Center Effective Length | 12.630 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | I-SECTION TYPE |
| Piston Connecting End Bearing | INCLUDED |
| Piston Connecting End Lubrication Method | SPLASH |
| End Hole Inside Diameter | 2.182 INCHES NOMINAL IN |
| Shaft Connecting End Style | 2 BOLT 45 DEGREES |
| Material | STEEL |
| Piston End Connection Style | SMALL ENGINE AND AUTOMOTIVE STANDARD |
| Piston Connecting End Lubrication Drill Feature | NOT INCLUDED |
| Shaft Connecting End Lubrication Method | SPLASH |
| 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 |
|---|---|
| 2S1601 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 2815-00-409-3900 is a Connecting Rod,piston, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-409-3900 has 1 manufacturer part number on file: 2S1601 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 2S1601: Shaft Connecting End Lubrication Drill Feature: NOT INCLUDED; Shaft Connecting End Bearing: NOT INCLUDED; Bearing Replaceability: REPLACEABLE; Center to Center Effective Length: 12.630 INCHES NOMINAL 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.