MILDTL28803/2B
REQUIREMENTS:
Design and construction:
Display assembly. The display assembly shall be assembled and shall include the following:
a.
Display modules.
b.
Bezel assembly with lens, panel gasket, and fasteners.
Lamp assemblies (see figure 4).
c.
d.
Connector blocks (see figure 3).
Insertable crimp type terminals (packaged separately) (see figure 2).
e.
Front lens plate: Lens material used to convert clear incandescent lamps to colored lights.
Light source: T1 incandescent lamps.
Operating:
Dot to dot ratio: 1 to 1 maximum.
Code letters for module combinations and color and luminance: See figures 5 and 6 and tables IV and V.
Optical:
Chromaticity: Method I in accordance with MILDTL28803.
Contrast ratio: C = 5 to 1 minimum.
C = 4 to 1 minimum.
2
Physical and mechanical:
Mechanical endurance and solderability: Not applicable.
Terminal strength: The terminals shall be tested in accordance with Method 211 of MILSTD202, with the
following details and exceptions: Test condition A and the applied force shall be 5 pounds (2.27 Kg).
Electrical:
Supply current: 5 V ±.25 V.
Supply voltage (for each lamp): .020 ampere ±.002 ampere.
Environmental:
Shock: Method II (high impact) in accordance with MILDTL28803.
Vibration grade 2: Displays shall be tested in accordance with Method 204, test condition A (10-500 Hz) of
6
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business