MIL-PRF-22885/52D
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,
MIL-PRF-22885/86, and MIL-S-24317/9. Pushbutton shall accommodate color filters in accordance with MIL-
PRF-22885/54. 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: 3 (10 - 2,000 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): M22885/52-(dash number from table II).
Qualification inspection: As a part of illuminated push button switch assembly, MIL-PRF-22885/56 or MIL-PRF-
22885/86.
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