The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-009-2154, 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 Deere & Company Dba Deere John Co. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-009-2154 |
| Primary Part Number | T23504 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Deere & Company Dba Deere John Co |
| Status | ACTIVE |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.0940 INCHES NOMINAL FIRST RING IN |
| Ring Groove Width | 0.0940 INCHES NOMINAL SECOND RING IN |
| Ring Groove Width | 0.1960 INCHES NOMINAL THIRD RING IN |
| Distance Between Pin Bosses | 1.630 INCHES NOMINAL IN |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | SEMIFINISHED |
| Oil Passage Type | SLOT LOCATION NOT OTHERWISE SPECIFIED |
| Diameter | 3.858 INCHES NOMINAL IN |
| Ring Groove Diameter | 3.435 INCHES NOMINAL FIRST RING IN |
| Ring Groove Diameter | 3.435 INCHES NOMINAL SECOND RING IN |
| Ring Groove Diameter | 3.435 INCHES NOMINAL THIRD RING IN |
| Distance From Pin Hole Center to Extreme Top | 2.142 INCHES NOMINAL IN |
| Pin | NOT INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Head Style | CONCAVE |
| Ring Groove Quantity | 3 |
| Skirt Bottom Cutaway Feature | INCLUDED |
| Ring | NOT INCLUDED |
| Pinhole Diameter | 1.1860 INCHES NOMINAL IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM ALLOY |
| Skirt Type | SOLID |
| Cut Depth | 0.530 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 |
|---|---|
| T23504 PRIMARY | Deere & Company Dba Deere John Co (USA) |
| Reference | Meaning |
|---|---|
| TX568 | 5/9 Secondary reference Dana Corp Engine Products Div |
| T23504 | 5/9 Secondary reference Deere & Co |
| E37458 | 5/9 Secondary reference U.S. Government activity |
| A-1520P | 5/9 Secondary reference U.S. Government activity |
NSN 2805-00-009-2154 is a Piston,internal Combustion Engin, manufactured by Deere & Company Dba Deere John Co, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-009-2154 has 1 manufacturer part number on file: T23504 (Deere & Company Dba Deere John Co).
Key specifications for T23504: Overall Height: 3.738 INCHES NOMINAL IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.0940 INCHES NOMINAL FIRST RING IN; Ring Groove Width: 0.0940 INCHES NOMINAL SECOND RING 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.