MIL-PRF-22885/109B
REQUIREMENTS:
Design and construction: See figures 1 through 10. Basic switch shall be in accordance with MIL-PRF-8805/4 or
MIL-PRF-8805/109 (M8805/109-2 or MS8805/109-4) listed on QPL-8805. The basic switch elements may be
selected items with reduced operating point tolerance, or category II items with printed-circuit terminals or connector
module.
Enclosure design: 2 (dripproof).
Temperature characteristics: 1 (-55 C to +85 C).
Vibration grade: 3 (10 to 2,000 Hz, 15 g peak).
Operation: A (momentary action), E (position indicating, alternate action, H (indicator light only).
Illuminated color: Standard displays, incandescent illumination: See table I for standard display colors
using .15 2% MSCP incandescent lamps.
TABLE I. Illuminated color - standard displays, incandescent illumination.
Color
x 1/
y 1/
Red (R)
.660
SL 2/
.325
.655
.285
.695
SL 2/
.703
Green (G)
.300
SL 2/
.600
.300
.600
.380
SL 2/
.380
Yellow (Y)
.570
SL 2/
.415
.562
.382
.596
.605
SL 2/
Blue (B)
.230
.420
.230
.350
.320
.350
.320
.420
White (W)
.400
.420
.400
.380
.460
.380
.460
.420
1/ Chromaticity is expressed as "X" and "Y" on the CIE chromaticity
diagram. Values shown are corners of limiting envelope.
2/ SL - Spectrum locus where intersected by a line of x-value shown.
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