The Cable Assembly,control, cataloged under National Stock Number 1640-01-703-2971, is classified within Federal Supply Class 1640 (Aircraft Control Cable Products) of the Aircraft Components and Accessories group. The manufacturer of record is Semco Instruments, Inc. Dba Harcosemco. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Cable Assembly,control |
| FSC / FSG | 1640 — Aircraft Control Cable Products (FSG 16) |
| Manufacturers | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (CAGE 78286); Semco Instruments, Inc. Dba Harcosemco (CAGE 24735); United Avionics, Inc. Dba United Avionics Inc (CAGE 61218); Semco Instruments Inc Div Atlas-Aero Corp., Division of Semco Instruments, Inc. (CAGE 09526) |
| Parameter | Value |
|---|---|
| NSN | 1640-01-703-2971 |
| Primary Part Number | AA3677-3 |
| Item Name | Cable Assembly,control |
| FSC / FSG | 1640 / 16 — Aircraft Control Cable Products |
| Manufacturer | Semco Instruments, Inc. Dba Harcosemco |
| 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 |
|---|---|
| 70550-24803-103 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| AA3677-3 PRIMARY | Semco Instruments, Inc. Dba Harcosemco (USA) |
| UA-1262-03 PRIMARY | United Avionics, Inc. Dba United Avionics Inc (USA) |
| AA3677-3 PRIMARY | Semco Instruments Inc Div Atlas-Aero Corp., Division of Semco Instruments, Inc. (USA) |
NSN 1640-01-703-2971 is a Cable Assembly,control, manufactured by Semco Instruments, Inc. Dba Harcosemco, classified under FSC 1640, Aircraft Control Cable Products. Status: active.
NSN 1640-01-703-2971 has 4 manufacturer part numbers on file: 70550-24803-103 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), AA3677-3 (Semco Instruments, Inc. Dba Harcosemco), UA-1262-03 (United Avionics, Inc. Dba United Avionics Inc), AA3677-3 (Semco Instruments Inc Div Atlas-Aero Corp., Division of Semco Instruments, Inc.).
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 1640-01-703-2971 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.