The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-554-3722, 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 26 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-554-3722 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Status | ACTIVE |
| FSC Application Data | ENGINE,GASOLINE,RECIPROCATING,NONAIRCRAFT |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.0970 INCHES NOMINAL AND 0.0950 INCHES NOMINAL AND 0.1260 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Distance Between Pin Bosses | 1.125 INCHES NOMINAL IN |
| Retaining Ring Groove | NOT INCLUDED |
| Surface Finish | FINISHED |
| Ring Groove Position and Quantity | NUMBER 1,NUMBER 2,NUMBER 3,AND NUMBER 4 PISTON ALL RINGS |
| Oil Passage Type | HOLE LOCATION NOT OTHERWISE SPECIFIED |
| Diameter | 2.750 INCHES NOMINAL IN |
| Ring Groove Diameter | 2.438 INCHES NOMINAL THIRD RING IN |
| Ring Groove Diameter | 2.454 INCHES NOMINAL FIRST RING IN |
| Ring Groove Diameter | 2.478 INCHES NOMINAL SECOND RING IN |
| Distance From Pin Hole Center to Extreme Top | 1.249 INCHES MINIMUM AND 1.251 INCHES MAXIMUM IN |
| Pin | NOT INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Head Style | FLAT |
| Ring Groove Quantity | 4 |
| Oversize | 0.020 INCHES NOMINAL IN |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Finished Size Designation | OVERSIZE |
| Ring | NOT INCLUDED |
| Pinhole Diameter | 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM |
| 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 |
|---|---|
| 5558P020 | 3/9 Design control — primary reference Botoman Mfg Co Inc |
NSN 2805-00-554-3722 is a Piston,internal Combustion Engin, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
Key specifications for 2805-00-554-3722: Overall Height: 2.250 INCHES NOMINAL IN; FSC Application Data: ENGINE,GASOLINE,RECIPROCATING,NONAIRCRAFT; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.0970 INCHES NOMINAL AND 0.0950 INCHES NOMINAL AND 0.1260 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN. 26 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.