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 6105-01-127-0659
NSN 5895-00-837-0105
NSN 5965-00-289-6280
NSN 5950-01-593-6370
NSN 5990-01-217-4590
NSN 5960-00-131-1218
NSN 5975-01-068-3705
NSN 5855-01-392-1110
NSN 5910-01-256-0821
NSN 6105-01-233-1776
NSN 5920-01-363-9397
NSN 6645-00-173-2800