A1rcraft symbol is opaque white, part of outside edge is black as marked and has small indentation near top of window dial
No other part numbers with same form, fit, and function found.
A piece of transparent material specifically designed to be placed directly in front of a dial or scale to protect it from foreign matter. It is cut to size and may include a frame. It may have an index line or other marking. See also window, observation; and dial, scale.
Classification: Clock or watch glass; glasses for noncorrective spectagles not optically worked; hollow glass spheres and their segments for the mnfctr ofsuch glasses
NSN 6130-01-643-2108
NSN 5996-01-333-1616
NSN 2925-01-627-6568
NSN 6105-01-362-3033
NSN 5930-00-324-3994
NSN 6645-01-450-5175
NSN 5990-00-170-4239
NSN 6130-01-174-7356
NSN 6320-01-308-0009
NSN 5915-01-077-7007
NSN 6130-00-649-2802
NSN 6145-00-726-3720