The Window,optical Filter, cataloged under National Stock Number 1680-01-259-6480, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-259-6480 |
| Item Name | Window,optical Filter |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| General Characteristics Item Description | ANY ACCEPTABLE METAL OR PLASTIC HOUSING MATERIAL; BLUE GLASS FILTER,N.V.G.COMPATIBLE GLASS 6210-EG-002,ASCOM; ONE PIVOT HOLE TO ACCOMMODATE 0.125 IN. DIA ROLLED PIN; ONE 0.156 IN. DIA HOLE W/0.313 IN. DIA COUNTERBORE 0.125 IN. DP; LENS BONDED TO HOUSING W/BLACK SILICONE SEALANT IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1680-AH1-000-13 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-01-259-6480 is a Window,optical Filter, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-01-259-6480: General Characteristics Item Description: ANY ACCEPTABLE METAL OR PLASTIC HOUSING MATERIAL; BLUE GLASS FILTER,N.V.G.COMPATIBLE GLASS 6210-EG-002,ASCOM; ONE PIVOT HOLE TO ACCOMMODATE 0.125 IN. DIA ROLLED PIN; ONE 0.156 IN. DIA HOLE W/0.313 IN. DIA COUNTERBORE 0.125 IN. DP; LENS BONDED TO HOUSING W/BLACK SILICONE SEALANT IN. 1 specification is 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 1680-01-259-6480 has DEMIL Code B. 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.