A transparent molded optical element having equal spherical diopter curvatures, an approximate size and shape, and has been ground and polished to a finished curvature on one surface only.
Classification: Lens blanks (other than for spectacles) not optically worked, of glass, (optical elements)
NSN 5905-00-486-7192
NSN 5998-00-658-3303
NSN 5835-01-491-4613
NSN 5998-01-584-7315
NSN 5905-01-542-0309
NSN 5910-01-041-7996
NSN 6620-01-304-8055
NSN 6105-01-430-1967
NSN 5925-01-337-3336
NSN 7035-00-541-8516
NSN 5975-01-570-0822
NSN 6645-00-166-7926