MIL-PRF-22885/82C
REQUIREMENTS:
Intended use: As lens for 4-lamp illuminated push switches, MIL-PRF-22885/80 and
MIL-PRF-22885/74.
Dimensions and configuration: See figures 1 through 7 and tables.
Lens assemblies:
Code A consists of:
1 - Retainer
1 - Front lens plate
1 - Display screen
1 - Spacer
1 - Color filter
Codes B and C consist of:
1 - Retainer
1 - Display screens
1 - Spacers
1 - Color filters
Codes D and E consist of:
1 - Retainer
1 - Front lens plate
1 - Display screens
1 - Spacers
1 - Color filters
Code F consists of:
1 - Retainer
1 - Front lens plate
1 - Display screens
1 - Spacers
1 - Color filters
Characteristics: Lens shall appear white in the unlighted condition. In the lighted condition it shall
appear in a color determined by the color filter.
Front lens material: High temperature heat resistance thermoplastic. when thermal shock test is
performed in accordance with MIL-PRF-22885, the maximum temperature (nonoperating) shall be 71 C.
Display screen and color filter material: Shall be selected to enable the switch to meet the performance
requirements of this document.
Spacer material: Shall be selected to enable the switch to meet the performance requirements of this
document.
Color: Color filters shall be in accordance with MIL-PRF-22885.
Qualification inspection: Required as part of the 4-lamp illuminated push switch, M22885/80 or
M22885/74.
Part number: M22885/82-(dash number from table II).
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