MIL-DTL-5755E
3.1 First article. When specified (see 6.2), a sample shall be subjected to first article
inspection in accordance with 4.3.
3.1.1 Component parts. A rearview vision mirror shall consist of a mirror enclosed in a
frame with a mounting bracket.
3.2 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or
environmentally preferable materials should be used to the maximum extent possible provided that
the material meets or exceeds the operational and maintenance requirements and promotes
economically advantageous life cycle costs.
3.3 General requirements. The requirements for the rearview vision mirror shall be as
specified herein and also as specified in SD-24 for Navy procurement and drawing 50B6219 for
Air Force procurement.
3.4 Design and construction. The mirror assembly shall be built to withstand the strains,
jars, vibrations, and other conditions incident to shipping, storage, installation, and service.
3.4.1 Mirror. The mirror shall be of the first-surface type. The reflecting surface shall
be uniform in color and shall be free from stains and defects.
3.4.2 Demagnification. The reduction in image size of demagnification shall be as
specified in the acquisition order (see 6.2).
3.4.3 Image. The image shall be sharp and uniform on all parts of the mirror. The image
shall be free from any distortion noticeable to the unaided eye under normal daylight conditions.
3.4.4 Reflectivity. The 45-degree specular reflectivity of the mirror surface shall be
50 percent ± 3 percent of the total visible incident light.
3.4.5 Shatter resistance. The rearview mirror shall be provided with a shatter-resistant
backing. The border clinched over the reflecting surface shall not exceed 3/32 inch in width.
3.4.6 Mounting bracket. The portion of the mounting bracket integral or attached to the
mirror shall be sufficiently rigid to preclude mirror vibration when the aircraft is in flight.
3.4.7 Corrosion. The mirror surface shall not tarnish or discolor and the optical qualities
shall not be impaired by continued exposure to service conditions.
3.4.8 Abrasion. The reflecting surface shall be sufficiently durable to withstand cleaning
with solvents such as cleaning acetone, grain alcohol, an aqueous solution of 1 percent to 3 percent
detergent such as Aerosol OT, or Orvus paste (or equivalent) followed by drying with a soft cloth.
3.4.9 Humidity. The clarity of the image shall not be affected, the specular reflectivity
reduced, or the shatter-resistant backing separated when subjected to the humidity test.
3.4.10 Adhesion of reflecting film. The reflecting film shall not separate from the
supporting medium.
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