A light filter which reduces the intensity of the light without changing the relative spectral distribution of the energy.
NSN 6610-01-023-1918
NSN 6105-00-516-2151
NSN 5930-01-230-9047
NSN 6650-01-239-6241
NSN 6130-01-582-6318
NSN 5835-00-785-7921
NSN 5930-01-643-5508
NSN 5998-00-321-7636
NSN 5996-01-480-6244
NSN 6645-01-578-6815
NSN 5950-01-510-3802
NSN 5965-01-535-5789