Heat treated
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 5910-00-947-3051
NSN 5950-01-653-4800
NSN 5998-01-442-5222
NSN 5920-01-151-4368
NSN 6320-01-281-2537
NSN 7035-00-991-6877
NSN 5960-00-070-4399
NSN 5985-00-522-5495
NSN 5905-00-827-1323
NSN 6145-01-347-0320
NSN 5915-01-053-2956
NSN 6150-00-124-2440