MIL-PRF-22885/53D
REQUIREMENTS:
Design and construction: See figure 1. Pushbutton shall accommodate four midget flange base
T-1 ¾ incandescent lamps and shall be capable of mating with switch housings in accordance with
MIL-PRF-22885/56. Pushbutton shall accommodate color filters in accordance with MIL-PRF-
22885/55. Unless otherwise specified in contract or purchase order, lamps are not supplied.
Enclosure design: 1 (Unseated)
Temperature characteristic: 1 (-55 C to +85 C).
Vibration grade: 2 (10 - 500 Hz)
Display type: W (White until illuminated, then background appears in color).
Material:
Display screen: Shall be of clear transparent material.
Lamp module: Lamp insulator block may be fabricated from thermoplastic material.
Color and luminance: See table I.
Part or Identifying Number (PIN): M22885/53-(dash number from table II).
Qualification inspection: As a part of illuminated push button switch assembly, MIL-PRF-22885/56.
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