The Cylinder and Crankcase, cataloged under National Stock Number 2805-00-101-9439, 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 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-101-9439 |
| Primary Part Number | AA7BA4420 |
| Item Name | Cylinder and Crankcase |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | American Terra Vehicles Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; 9.625 IN. O/A HEIGHT; 5.250 IN. O/A WIDE; 5.750 IN. O/A LG 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 |
|---|---|
| AA7BA4420 PRIMARY | American Terra Vehicles Inc (USA) |
| Reference | Meaning |
|---|---|
| 996442000FC1107 | 5/9 Secondary reference Deco-Grand Inc Sub of Grand Machining Co |
| AA7BA4420 | 5/9 Secondary reference Deco-Grand Inc Sub of Grand Machining Co |
| 996442000FC1107 | 5/9 Secondary reference J R S Industries Inc |
NSN 2805-00-101-9439 is a Cylinder and Crankcase, manufactured by American Terra Vehicles Inc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-101-9439 has 1 manufacturer part number on file: AA7BA4420 (American Terra Vehicles Inc).
Key specifications for AA7BA4420: General Characteristics Item Description: STEEL; 9.625 IN. O/A HEIGHT; 5.250 IN. O/A WIDE; 5.750 IN. O/A LG IN; End Item Identification: GRUMMAN AEROSPACE CO A-10 AIRCRAFT. 1 specification is 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.