The Annunciator Dimming Unit Assembl, cataloged under National Stock Number 1680-01-412-0669, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1680-01-412-0669 |
| Item Name | Annunciator Dimming Unit Assembl |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| General Characteristics Item Description | ELECTROSTATIC SENSITIVE DISCHARGE |
| Criticality Code Justification | TEXT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 775-101000-503 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company Div Defense |
| 775-101000-503 | 3/9 Design control — primary reference Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West |
| 775101000G503 | 5/2 Secondary reference U.S. Government activity |
NSN 1680-01-412-0669 is a Annunciator Dimming Unit Assembl, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-01-412-0669: General Characteristics Item Description: ELECTROSTATIC SENSITIVE DISCHARGE; Criticality Code Justification: TEXT; Special Features: 1 ADU CHASSIS 775-702000-1; 1 FRONT ADU PANEL ASSY 775-301001-1; 1 DUSTCOVER 775-702004-1; 1 REAR PANEL 775-702003-1; 1 EMI FILTER 4260026-1; 1 LAMP DRIVER CCA 775-504001-505; 1 GUIDE CARD 775-702005-5; 1 GUIDE CARD 775-702005-6; End Item Identification: C-17 AIRCRAFT. 2 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 1680-01-412-0669 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.