NVIS Filtering Components
Cevians custom developed a range of NVIS filtering components, establishing the industry standard for compliance to MIL-STD-85762. Components are made of monolithic glass, polymers, or composites. Material absorption and chromaticity are tailored to optimize light source efficiencies for integration in MIL-P-7788 illuminated panels and keyboards.
Since 1984
In production since 1984, components have been integrated into any NVIS compatible aircraft in the free world.
Incadescent lamps to LED
Cevians has a broad array of standard components to filter sub-miniature and miniature incandescent light bulbs as well as a number of surfaces mount white LEDs. The components are compatible with multiple types of adhesive for full material compatibility when installed in MIL-P-5425 Acrylic panels. They are highly heat resistant and outlast all light source life. Most standard sizes are available from inventory.
Technical Summary
- Meets MIL-STD-3009 for incandescent and LED light sources
- Wide operating temperatures ranging from -55° to 105°C
- Compliant for use in MIL-P-7788 illuminated panels
- Customizable absorption characteristics from 380 nm to 930 nm
- High photopic transmission up to 29% for LED
- NVIS compliant, low radiance, MIL-STD-3009
- Machinable and moldable materials to custom shapes and sizes, ring, and bathtub shapes
- Custom injection moldable polymer
- Integrated reflector
- Compatible with standard adhesive families, epoxides, acrylates, and urethanes
- P/N F-YYYY-XXX-C
- P/N F-YYYY-XXX
P/N F-YYYY-XXX-C
Cevians has been defining sub-miniature and miniature incandescent light bulbs since 1980. Below is a table resuming our filtering capabilities depending on the component dimensions as defined in the schema.
| YYYY | OD (C) | ID (A) | H(B) | FILTER -XXX |
|---|---|---|---|---|
| 1030- | 0.21" | 0.13" | 0.13" | 2GIG,2GGH,2GBG |
| 1313- | 0.22" | 0.144" | 0.13" | 2GIG,2GGH,2GBG |
| 1314- | 0.22" | 0.144" | 0.14" | 2GIG,2GGH,2GBG |
| 1315- | 0.22" | 0.144" | 0.15" | 2GIG,2GGH,2GBG |
| 1411- | 0.25" | 0.144" | 0.11" | L-4G |
| 1411- | 0.28" | 0.144" | 0.11" | 2G,2GBG,2GGH |
| 1413- | 0.25" | 0.144" | 0.13" | L-4G |
| 1413- | 0.28" | 0.144" | 0.13" | 2G,2GBG,2GGH |
| 1415- | 0.24" | 0.144" | 0.15" | L-4G |
| 1415- | 0.28" | 0.144" | 0.15" | 2G,2GBG,2GGH |
| 1426- | 0.28" | 0.144" | 0.26" | 2G,2GBG,2GGH |
| 2515- | 0.38" | 0.25" | 0.15" | 2G,2GBG,2GGH |
| 2534- | 0.38" | 0.25" | 0.34" | 2G,2GBG,2GGH |
P/N F-YYYY-XXX
Based on white LED x=y=0.333
NR @ 0.1 fl
| YYYYY | O.D. | I.D. | L | FILTER -XXX |
|---|---|---|---|---|
| 2412D | 0.242" | 0.186" | 0.125" | WA1, WB1, WIL, LW4 |
| 2210D | 0.220" | 0.164" | 0.100" | WA1, WB1, WIL, LW4 |
| 2015D | 0.2" | 0.144" | 0.150" | WA1, WB1, WIL, LW4 |
| 1816D | 0.185" | 0.128" | 0.169" | WA1, WB1, WIL, LW4 |
Filters
| Filter | Y% | u',v' | Nra | NRb |
|---|---|---|---|---|
| WA1 | 19 | 0.100,0.570 | 4.5E-11 | 4.0E-12 |
| WB1 | 14 | 0.120,0.574 | 7.0E-11 | 5.0E-12 |
| WIL | 21 | 0.118,0.537 | 8.0E-11 | 8.0E-12 |
| LW4 | 22 | 0.181,0.491 | 9.0E-10 | 2.0E-10 |