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MIL-B-48612

Revision A, March 20, 1987

Complete Document

BONDING WITH EPOXY-ELASTOMERIC ADHESIVE SYSTEM, GLASS TO METAL

Includes all amendments and changes through Amendment 1, October 18, 2014


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Description / Abstract:

This specification covers the bonding of optical glass elements to their metallic mounts. Bond line thickness of 0.014 to 0.016 inches is recommended for most bonds, especially when aluminum is the metal mounting material; however, other bond line thicknesses can be used. The bonding of mirrors and similar large flat optical components in accordance with this specification are not recommended without confirmatory tests for optical quality.

Bonded optical assemblies are utilized in optical fire control instruments which are subject to gun fire shock, vibration and extremes of temperature.

Grade A bonds shall be specified and used for all structurally bonded prism and other optical component assemblies in military fire control instruments. Grade B can be used for nonstructural applications.