The Filter,light,cathode Ray Tube, cataloged under National Stock Number 1270-00-688-4307, is classified within Federal Supply Class 1270 (Aircraft Gunnery Fire Control Components) of the Fire Control Equipment group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1270-00-688-4307 |
| Item Name | Filter,light,cathode Ray Tube |
| FSC / FSG | 1270 / 12 — Aircraft Gunnery Fire Control Components |
| Status | ACTIVE |
| FSC Application Data | FILTER,LIGHT,AIRCRAFT GUNNERY FIRE CONTROL SYSTEM |
| Trade Designation | 29 |
| Viewing Surface Overall Diameter | 5.940 INCHES NOMINAL IN |
| Viewing Surface Overall Thickness | 0.121 INCHES NOMINAL IN |
| Color | RED |
| Mounting Configuration | BEZEL |
| Material | GLASS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 434455 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1270-00-688-4307 is a Filter,light,cathode Ray Tube, classified under FSC 1270, Aircraft Gunnery Fire Control Components. Status: active.
Key specifications for 1270-00-688-4307: FSC Application Data: FILTER,LIGHT,AIRCRAFT GUNNERY FIRE CONTROL SYSTEM; Trade Designation: 29; Viewing Surface Overall Diameter: 5.940 INCHES NOMINAL IN; Viewing Surface Overall Thickness: 0.121 INCHES NOMINAL IN. 7 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 1270-00-688-4307 has DEMIL Code D. 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.