The Control Tube Assembly,aircraft, cataloged under National Stock Number 1680-00-545-6394, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Harlow Aerostructures, Llc. The record lists 11 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-545-6394 |
| Primary Part Number | 90-1544-9 |
| Item Name | Control Tube Assembly,aircraft |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Harlow Aerostructures, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 90-1544-9 | Harlow Aerostructures, Llc (USA) |
| 90-1544-9 | Malones Cnc Machining Inc (USA) |
| 90-1544-9 | Pro-Fab, Llc (USA) |
| 90-1544-9 | Aero Components, Llc (USA) |
| 90-1544-9 | Beta Engineering, Inc. Dba Beta Engineering Inc (USA) |
| 90-1544-9 | Tect Hypervelocity, Inc. (USA) |
| 90-1544-9 | Infinity Fabrication, Inc. (USA) |
| 90-1544-9 | D-J Engineering Inc Dba D-J Engineering Inc (USA) |
| 90-1544-9 | Nordam Group Llc, the Div Nordam (USA) |
| 90-1544-9 | Volumatic Inc Dba Volumatic Inc (USA) |
| 90-1544-9 | C. E. Machine Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 90-1544-9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-00-545-6394 is a Control Tube Assembly,aircraft, manufactured by Harlow Aerostructures, Llc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-545-6394 has 11 manufacturer part numbers on file: 90-1544-9 (Harlow Aerostructures, Llc), 90-1544-9 (Malones Cnc Machining Inc), 90-1544-9 (Pro-Fab, Llc), 90-1544-9 (Aero Components, Llc), 90-1544-9 (Beta Engineering, Inc. Dba Beta Engineering Inc) and 6 more.
Key specifications for 90-1544-9: Part Name Assigned by Controlling Agency: ROD ASSEMBLY, ELEVATOR CONTROL. 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.
NSN 1680-00-545-6394 has DEMIL Code Q. 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.