The Ring Set,piston, cataloged under National Stock Number 2805-01-003-7882, 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 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-01-003-7882 |
| Primary Part Number | AA7-A-3070-010 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | American Terra Vehicles Inc |
| Status | ACTIVE |
| Bore Diameter Oversize | 0.010 INCHES IN |
| Ring Set Component Parts | COMPRESSION RING,AA7-A-303-010,DECO-GRAND INC,2 EA,OIL RING,AA7-A-304-010,DECO-GRAND INC,1 EA |
| Piston Accommodation Quantity | 1 |
| Standard Bore Diameter | 2.250 INCHES 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 |
|---|---|
| AA7-A-3070-010 PRIMARY | American Terra Vehicles Inc (USA) |
| Reference | Meaning |
|---|---|
| AA7A3070-10 | 5/9 Secondary reference Deco-Grand Inc Sub of Grand Machining Co |
| AA7-A-3070-010 | 3/9 Design control — primary reference Deco-Grand Inc Sub of Grand Machining Co |
NSN 2805-01-003-7882 is a Ring Set,piston, manufactured by American Terra Vehicles Inc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-01-003-7882 has 1 manufacturer part number on file: AA7-A-3070-010 (American Terra Vehicles Inc).
Key specifications for AA7-A-3070-010: Bore Diameter Oversize: 0.010 INCHES IN; Ring Set Component Parts: COMPRESSION RING,AA7-A-303-010,DECO-GRAND INC,2 EA,OIL RING,AA7-A-304-010,DECO-GRAND INC,1 EA; Piston Accommodation Quantity: 1; Standard Bore Diameter: 2.250 INCHES IN. 4 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.