The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-377-5647, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-377-5647 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Status | ACTIVE |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.0960 INCHES MINIMUM AND 0.0970 INCHES MAXIMUM FIRST RING IN |
| Ring Groove Width | 0.0955 INCHES MINIMUM AND 0.0965 INCHES MAXIMUM SECOND RING IN |
| Ring Groove Width | 0.1565 INCHES MINIMUM AND 0.1575 INCHES MAXIMUM FOURTH RING IN |
| Ring Groove Width | 0.1565 INCHES MINIMUM AND 0.1575 INCHES MAXIMUM THIRD RING IN |
| Distance Between Pin Bosses | 1.380 INCHES NOMINAL IN |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Oil Passage Type | HOLE LOCATION NOT OTHERWISE SPECIFIED |
| Diameter | 3.250 INCHES NOMINAL IN |
| Ring Groove Diameter | 2.886 INCHES MINIMUM AND 2.896 INCHES MAXIMUM FOURTH RING IN |
| Ring Groove Diameter | 2.886 INCHES MINIMUM AND 2.896 INCHES MAXIMUM SECOND RING IN |
| Ring Groove Diameter | 2.886 INCHES MINIMUM AND 2.896 INCHES MAXIMUM THIRD RING IN |
| Ring Groove Diameter | 2.896 INCHES MINIMUM AND 2.906 INCHES MAXIMUM FIRST RING IN |
| Distance From Pin Hole Center to Extreme Top | 1.995 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| Pin | INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Head Style | FLAT |
| Ring Groove Quantity | 4 |
| Oversize | 0.040 INCHES NOMINAL IN |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Finished Size Designation | OVERSIZE |
| Ring | INCLUDED |
| Pinhole Diameter | 0.8593 INCHES MINIMUM AND 0.8596 INCHES MAXIMUM IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM ALLOY |
| Skirt Type | SOLID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 00187004-4 | 5/9 Secondary reference Dresser, Llc |
| 28373-040 | 5/1 Secondary reference Mitsubishi Caterpillar Forklift America, Inc |
| MS13958-3 | 2/2 Government specification standardization U.S. Government activity |
| MIL-E-11275 | 4/1 Identification reference U.S. Government activity |
| F218A4041E040 | 5/9 Secondary reference Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc |
| F218A04041E40 | 5/9 Secondary reference Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc |
NSN 2805-00-377-5647 is a Piston,internal Combustion Engin, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
Key specifications for 2805-00-377-5647: Overall Height: 3.500 INCHES NOMINAL IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.0960 INCHES MINIMUM AND 0.0970 INCHES MAXIMUM FIRST RING IN; Ring Groove Width: 0.0955 INCHES MINIMUM AND 0.0965 INCHES MAXIMUM SECOND RING IN. 28 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.