The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-347-1783, 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 American Terra Vehicles Inc. Government technical data includes 26 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-347-1783 |
| Primary Part Number | AA7A3000A010 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | American Terra Vehicles Inc |
| Status | ACTIVE |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.0940 INCHES NOMINAL FIRST RING IN |
| Ring Groove Width | 0.1880 INCHES NOMINAL THIRD RING IN |
| Ring Groove Width | 0.0940 INCHES NOMINAL SECOND RING IN |
| Distance Between Pin Bosses | 0.750 INCHES NOMINAL IN |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Oil Passage Type | HOLE LOCATION NOT OTHERWISE SPECIFIED |
| Diameter | 2.125 INCHES NOMINAL IN |
| Ring Groove Diameter | 1.830 INCHES NOMINAL THIRD RING IN |
| Ring Groove Diameter | 1.898 INCHES NOMINAL FIRST RING IN |
| Ring Groove Diameter | 1.898 INCHES NOMINAL SECOND RING IN |
| Distance From Pin Hole Center to Extreme Top | 1.125 INCHES NOMINAL IN |
| Pin | INCLUDED |
| Pin Type for Which Designed | LOCKING |
| Oil Groove | NOT INCLUDED |
| Head Style | FLAT |
| Ring Groove Quantity | 3 |
| Oversize | 0.010 INCHES NOMINAL IN |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Finished Size Designation | OVERSIZE |
| Ring | INCLUDED |
| Pinhole Diameter | 0.4380 INCHES NOMINAL 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 |
| Part Number | Manufacturer |
|---|---|
| AA7A3000A010 PRIMARY | American Terra Vehicles Inc (USA) |
| Reference | Meaning |
|---|---|
| AA7A3000A010 | 5/9 Secondary reference Deco-Grand Inc Sub of Grand Machining Co |
| 998300110BD420 | 5/9 Secondary reference Deco-Grand Inc Sub of Grand Machining Co |
| AA7A3090-010 | 5/9 Secondary reference Renk America Llc Div Renk America |
| 998300110BD420 | 5/9 Secondary reference J R S Industries Inc |
| AA7A3090P010 | 5/9 Secondary reference Renk America Llc Div Renk America |
NSN 2805-00-347-1783 is a Piston,internal Combustion Engin, manufactured by American Terra Vehicles Inc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-347-1783 has 1 manufacturer part number on file: AA7A3000A010 (American Terra Vehicles Inc).
Key specifications for AA7A3000A010: Overall Height: 2.000 INCHES NOMINAL IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.0940 INCHES NOMINAL FIRST RING IN; Ring Groove Width: 0.1880 INCHES NOMINAL THIRD RING 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.