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 6135-01-255-9129
NSN 5945-01-514-3467
NSN 6150-01-562-1236
NSN 2925-01-386-7392
NSN 6645-01-274-3384
NSN 5855-01-100-3272
NSN 6110-01-416-2644
NSN 6610-01-389-3082
NSN 5996-00-356-0680
NSN 2925-01-364-7926
NSN 5950-01-188-8524
NSN 7035-01-426-4133