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MIL-C-7989 Revision B, March 8, 1971
Complete Document
Superseded By: MIL-DTL-7989
COVER, LIGHT-TRANSMITTING FOR AERONAUTICAL LIGHTS, GENERAL SPECIFICATION FOR
Includes all amendments and changes through Interim Notice 2, June 11, 1999
Additional Comments: RENUMBERED AS MIL-DTL-7989C
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This specification covers light-transmitting covers for Aeronautical use.

Covers shall be furnished in the following classes, as specified:
     Class A - Annealed Glass (Nonheat Resistant)

     Class B - Heat-Resistant Glass

     Class C - High-Impact Strength Glass

     Class D - Plastic