The Tester,pitot and Static Systems, cataloged under National Stock Number 4920-01-441-9090, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Ateq & Cobra Aviation, Inc.. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4920-01-441-9090 |
| Primary Part Number | ADSE-550 |
| Item Name | Tester,pitot and Static Systems |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Ateq & Cobra Aviation, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| ADSE-550 PRIMARY | Ateq & Cobra Aviation, Inc. (USA) |
| Reference | Meaning |
|---|---|
| AD450E-1 | 3/9 Design control — primary reference Ateq & Cobra Aviation, Inc. |
| A352-97 | 5/9 Secondary reference Nav-Aids Ltd |
| A352-97 | 5/9 Secondary reference Nav Usa Inc |
NSN 4920-01-441-9090 is a Tester,pitot and Static Systems, manufactured by Ateq & Cobra Aviation, Inc., classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-441-9090 has 1 manufacturer part number on file: ADSE-550 (Ateq & Cobra Aviation, Inc.).
Key specifications for ADSE-550: Special Features: PORTABLE LIGHTWEIGHT CARRYING CASE; HAND OPERATED PRESURE AND VACCUM PUMPS, FIVE NEEDLE TYPE CONTROL FLOW VALVES, PRESSURE AND VACCUM GAGES; End Item Identification: VARIOUS AIR DATA ACFT INSTRUMENTS AND OTHER PITOT STATIC SYSTEMS. 0 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.