Departure from cited document: as modofied by o/a diameter and material thickness
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 5960-01-384-4603
NSN 5975-00-132-2911
NSN 6645-01-191-5081
NSN 6645-00-235-4685
NSN 6320-00-242-3300
NSN 4140-00-679-9512
NSN 5996-00-976-1429
NSN 4140-01-060-2960
NSN 6110-01-053-5500
NSN 2925-01-486-4210
NSN 5985-01-041-2684
NSN 6645-01-463-4314