The Duct,upper Air, cataloged under National Stock Number 2805-00-488-0729, 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 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-488-0729 |
| Item Name | Duct,upper Air |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY;3.250 IN. O/A H; 5.828 IN. O/A LG;2.734 IN. O/A W;WITH THE FOLLOWING PARTS:6 RIVETS,SOLID- UNIVERSAL HEAD,0.094 IN. DIA HEAD X 0.250 LG,MS20470AD3-4;3 NUTS,NO.10-32 UNJF-33,MS21080-3;USE WITH ENGINE,GED,NSN 2805-00-072-4871 AND NSN 2805-00-601-5127 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| ERK4530 | 5/9 Secondary reference Renk America Llc Div Renk America |
| 9787E34 | 3/2 Design control — primary reference U.S. Government activity |
| TIP00869-010CT70 | 5/2 Secondary reference U.S. Government activity |
NSN 2805-00-488-0729 is a Duct,upper Air, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
Key specifications for 2805-00-488-0729: General Characteristics Item Description: ALUMINUM ALLOY;3.250 IN. O/A H; 5.828 IN. O/A LG;2.734 IN. O/A W;WITH THE FOLLOWING PARTS:6 RIVETS,SOLID- UNIVERSAL HEAD,0.094 IN. DIA HEAD X 0.250 LG,MS20470AD3-4;3 NUTS,NO.10-32 UNJF-33,MS21080-3;USE WITH ENGINE,GED,NSN 2805-00-072-4871 AND NSN 2805-00-601-5127 IN. 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.
NSN 2805-00-488-0729 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.