The Fitting,structural Component,air, cataloged under National Stock Number 1560-01-378-2103, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Vertex Modernization and Sustainment Llc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1560-01-378-2103 |
| Primary Part Number | 3929AS406 |
| Item Name | Fitting,structural Component,air |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Vertex Modernization and Sustainment Llc |
| Status | ACTIVE |
| Height | 2.320 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 7075 |
| Hole Quantity | 5 |
| Aircraft Mission Design Series | FA-18 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3929AS406 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 3929AS406 PRIMARY | Vertex Modernization and Sustainment Llc (USA) |
| Reference | Meaning |
|---|---|
| 10105224 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A733628-1001 | 5/9 Secondary reference The Boeing Company Div Defense |
NSN 1560-01-378-2103 is a Fitting,structural Component,air, manufactured by Vertex Modernization and Sustainment Llc, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-378-2103 has 2 manufacturer part numbers on file: 3929AS406 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 3929AS406 (Vertex Modernization and Sustainment Llc).
Key specifications for 3929AS406: Overall Length: 3.930 INCHES NOMINAL IN; Overall Width: 5.250 INCHES NOMINAL IN; Height: 2.320 INCHES NOMINAL IN; End Item Identification: AIRCRAFT FA-18. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1560-01-378-2103 has DEMIL Code D. 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.